Increasingly, digital spaces are proving detrimental to youth mental health. By co-designing with youth, Kooth and IDEO set out to flip the script, creating a positive digital space for young people to safely explore their mental wellbeing. 

When Kooth, IDEO, and Blackbird, IDEO’s longtime development partner, first started working on the project, the window of opportunity was narrow, and the stakes were high. The group was up against a nine-week deadline to create a working proof of concept app. Also on the line: a $188 million contract with the Department of Health Care Services (DHCS)—one that would open an entirely new line of business for Kooth. 

The app needed to do more than demonstrate functionality—it needed to prove its value. To ensure that they were creating an asset that truly fit the needs of young people, the team turned to an initial cohort of 13-25 year-old co-designers who explored early features, created video diaries, and shared their questions about and experiences with mental health. These young people often gravitated toward self-service tools that helped them take action based on their feelings. With their feedback, the team created new expressions of clinically-validated behavioral health tools like journaling, breathwork and white noise—and built novel tools, such as Starboard, an expressive drawing tool and a nod to art therapy. 

The team took inspiration from content the co-designers liked to consume, such as story-driven video games that enable freedom of exploration, deepened by a unifying mythology. That led them to a constellation theme, which made the experience more intriguing and playful. The co-designers also recommended a dark color palette, because they preferred exploring the app at night. 

With these insights, the team refined the proof of concept, and then conducted a one-week pilot with another 50 young people across California. Their positive feedback gave the State the confidence to invest in a $188 million, four-year contract for Kooth to bring the app to a platform at scale. 

Over the next year, the team engaged another 150 young people to help design, shape, and test the app. At the same time, Kooth and IDEO created a clinical oversight group, which included a pediatrician, therapists, and other clinical specialists. This group anchored the platform in the practices of Acceptance and Commitment Therapy (ACT), cultivating psychological flexibility—the mindful acceptance of positive and negative emotions. Young people are invited to complete short reflections and surveys throughout their journey with the app, which includes rigorous, science-backed measurements to assess the therapeutic benefits.

Behind the scenes, the team developed a clinical-facing service and digital platform that empowers Kooth’s peer specialists, social workers, community curators, and clinicians to support the youth experience, all while protecting privacy and confidentiality. They also navigated a complex landscape of state requirements and government legislation, ensuring that the platform could cover topics like substance abuse and gender identity, and that users could access coaching within 24 hours, and choose from a diverse set of experts. 

The last step was to select a name that worked across multiple languages, trademarks, and competitor branding, and didn’t come off as a mental health service, something the youth co-designers believed was critical. IDEO and Kooth landed on Soluna, a name that alludes to the app’s presence in both the bright (“sol” for sun) and the dark times (“luna” for moon). 

Now, Soluna is available for free to all youth in California, and the state has set ambitious targets for reaching all young people at scale. Soluna is a living platform that will continue to receive product and design updates for years to come, all deeply rooted in youth co-design.

The US Surgeon General named mental health “the defining public health crisis of our time,” and cited social media, online bullying, and the isolation exacerbated by the COVID-19 pandemic as major drivers that have significant negative outcomes for youth.
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In California alone, more than 284,000 youth cope with major depression. 66% of kids with depression do not receive treatment. Between 2019-2020, the suicide rate for kids ages 10-18 increased by 20%.
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In 2022, California Governor Gavin Newsom’s Master Plan for Kids’ Mental Health set aside $4.6 billion to increase access to mental health and substance abuse support, the largest commitment to youth mental health ever made by a state.

94%

of proof-of-concept app users would recommend the Soluna app to a friend, and believe that engaging with the app would be a positive addition to their daily/weekly routine

6 million

young people in California had access to Soluna at launch in January 2024

Creating a better cervical cancer screening experience is an important mission, but also a challenging one. Not only would Teal have to address the regulations that face healthcare device companies, it would also need to build a comprehensive telehealth platform and a physical product—a wand that could easily collect an adequate cell sample, even in the hands of an untrained person. 

The first challenge was to create the wand. The device would need to do a lot: It’s impossible for a person to see their own cervix, so the user would have to be able to find the cervix blind, collect the sample themselves, and remove the wand from their bodies without contaminating it on other parts of their anatomy. Because this is something users are likely to do in their bathrooms, where there is no space to lie down, they would need to be able to use the device while standing—and with one hand. From the beginning, the IDEO team set out to design functional, testable prototypes to make sure the idea was viable, and incorporate diverse voices into the research process, including trans, minority, and disabled women. 

Because the product is meant for people who aren’t medical professionals, the team worked to design something as simple, intuitive, and unintimidating as possible. They used a 3-D printer to create multiples of every prototype, autoclaves to make sure that the designs they were creating were sterile, and leaned into shapes women are already used to, like the cylindrical shape of a tampon. The wand they created has that same basic form, but with a soft sponge that the user can deploy with the turn of a dial to collect the sample, then close to protect it from contamination on the way out of the body.

With working prototypes in hand, Teal set out to test their efficacy. In an initial study with 220 participants varying in age, race, socioeconomic status, and geography, Teal found that not only were participants able to successfully self-collect samples, they also preferred them over the speculum, the device doctors typically use during a screening. Some 92 percent said if they knew the results were equal they would prefer self-collection, while 87 percent reported they would stay current with screening if Teal Wand was an option. Self-collection took the vast majority under two minutes to complete, and 97% of study participants reported it was very easy or easy to use. The Teal Wand recently received a patent for its unique design.

The IDEO team also worked on the packaging and unboxing experience, which plays an important role in supporting the user through the self-screening process. The team built in thoughtful design cues to give users reassurance that they are using the wand correctly, and to provide the same level of confidence they would have in the results of an in-clinic screening. 

In January 2023, Teal raised an $8.8 million seed round from Serena Ventures, Emerson Collective, and Metrodora, and later that year, launched a nationwide clinical trial with leading health organizations including Johns Hopkins University, Yale University, the University of Colorado, Washington University, and others. In 2025, The Teal Wand became the first FDA-authorized device for at-home cervical cancer screening, with virtual medical provider support. Today, it's available in all 50 states. i’s an enormous step toward its North Star: catching cervical cancer earlier and saving lives.

Cervical cancer is nearly 100% preventable when it’s caught early, yet one in four women in the US are not up to date on their screenings.
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More than 12,000 people in the US are being diagnosed with cervical cancer every year, and more than 4,000 people die of the disease, which disproportionately impacts Black, Asian, and Hispanic women.
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More than half of cervical cancer cases are found in women that are not up-to-date on their screenings.

97%

of clinical study participants said the Teal Wand was very easy or easy to use.

87%

of participants said they would be more likely to stay current with screening guidelines if Teal Wand was an option.

94%

of participants said they would choose to collect their own sample from home rather than the current standard of care where a clinician collects it in-office.

2025

The Teal Wand becomes the first FDA authorized device for at-home cervical cancer screening, with virtual medical provider support.

Cities United already had a strong foundation with its stated mission, vision, and values. IDEO brought those to life with a new visual and verbal brand identity system that celebrates Cities United’s inclusive approach to building relationships and reimagining public safety.

To help Cities United with its verbal identity, the IDEO team defined the organization's voice, tone, and key messages, making it easier to tell its story more consistently and clearly, a crucial step toward engaging stakeholders.

To define the new visual identity, the team created a new logo, a letter C composed of interwoven shapes that represent the three tenets of their vision—“safe, happy, and hopeful;” a new design language that references city grids; and a typographic system anchored by the typeface VTC DuBois, inspired by W.E.B. DuBois’s own custom lettering and designed by the Black-owned Vocal Type Co. The team also designed a color palette that embodies the textures of city life with hues reminiscent of asphalt, sunrise, and brick. 

To amplify the refreshed branding, the team designed a new responsive website, citiesunited.org. The intuitive site shares the organization’s mission, resources, ongoing projects, and partner network, inviting stakeholders to join in their transformative work. IDEO also created a video to humanize Cities United’s mission and showcase its nationwide impact. It underscores the unity, resilience, and hope embodied by the organization through a chorus of voices.

This comprehensive rebranding widens Cities United’s reach and impact, helping the organization share its goal of creating safe, healthy, hopeful communities for young Black men, boys, and their families, and reintroduces the organization to a national audience. 

The Cities United work was supported by IDEO’s Racial Justice Impact Fund, part of a commitment IDEO made in 2020 to ​​address systemic racism and advance equity within our own organization, our client work, and beyond.

Cities United is committed to reducing the epidemic of homicides and shootings among young Black men and boys ages 14-to-24 by 50%.

Between 2009 and 2019, the number of Black children who “did not go to school at least one day in the past month because they felt unsafe at school or on their way to or from school” increased by 84%, according to Cities United.

Homicide is the leading cause of death for Black men and boys from birth to age 44, according to the Centers for Disease Control and Prevention.

2023 SF Design Week Award

In recognition of IDEO’s brand work with Citizens United

Sleep is a critical resource for shift workers—and their employers, too. Together, IDEO and Somni worked directly with people with acute and chronic sleep challenges to create concepts that could support their sleep goals, and provide employers with the means to improve employee health.

When IDEO and Somni first partnered, the startup was an early-stage company, so the team started small, with focused sprints and workshops to redesign the core aspects of the company and product offerings. The team interviewed shift workers about their sleep patterns, which can vary quite a bit. Even when people keep to a specific schedule on work days, they often have to change their patterns on days off to spend time with family and friends, leading to a very disruptive sleep cycle. Research revealed that many third shift workers were dealing with sleep and health issues, but also a pervasive “machismo” culture,  pressure to “tough it out,” and a reliance on energy drinks to deal with lack of sleep. 

To address those issues, the team designed a digital experience for sleep cohorts, support groups where members could share their experiences and sleep strategies, and work with a coach and sponsor who already had been through the program. The platform analyzed workers’ data, and provided AI-enabled recommendations for improving their sleep. The big takeaway? Data by itself wasn’t necessarily helpful, and could be confusing for folks who were less digitally-fluent. Providing context, like a calendar that displayed sleep experiments at a glance, was crucial. 

The IDEO team also created a new user experience for a genetic testing program that could uncover factors associated with sleep issues. Somni aims to use a saliva-based genetic test to monitor for DNA damage caused by circadian disruption, then leverage its sleep improvement program to prevent further damage. Because biomarker testing is a differentiating offer for Somni, it was extremely important that the team get it right, both to make sure that users could understand its utility, and for Somni to provide real value. The design challenge was unique—and not just because of data privacy concerns. Presenting data about DNA damage in a non-human-centered way could increase the anxiety workers had around their sleep.

At the end of the project, Somni leveraged the insights the IDEO team surfaced to improve products like its sleep coaching service, and to refine its biomarker testing offering. Based on this work, Somni has also created a pilot with a Fortune 100 company, which is currently in progress, as it works to mitigate the ill effects of disrupted sleep for employees and the companies they work for.

In the short-term, circadian rhythm disruption leads to an array of jet-lag-like symptoms, and in the long-run, it may contribute to weight gain, obesity, metabolic syndrome, type 2 diabetes, and cardiovascular disease.

It also impairs people’s ability to work, affecting productivity, creativity, and the overall work environment. Productivity loss can lead to employer baseline healthcare costs that are 26% higher, and over time, insomnia can result in an average cost of $4,267 more per employee per year.

In June 2019, the International Agency for Research on Cancer classified shift work as a probable carcinogen.

75%

user retention in Somni's sleep program

$2,450

savings per year per employee for users who complete the program

33%

improvement in sleep quality, and 41 more minutes per night

In short order, a community of designers, entrepreneurs, and social sector innovators embraced it, buying and downloading over 150,000 copies.

In April 2015, IDEO.org launched an exciting new evolution of the HCD Toolkit the Field Guide to Human-Centered Design. The Field Guide is the latest in IDEO.org’s suite of teaching tools and a step forward in sharing the practice and promise of human-centered design with the social sector.

A full-color, 192-page book, the Field Guide comes with 57 design methods, the key mindsets that underpin how and why IDEO.org believes design can change lives, a full slate of worksheets, and case studies from projects that show human-centered design in action.

The Field Guide was funded by more than 1300 backers in a Kickstarter campaign that reaching nearly three times its initial goal. IDEO.org received an amazing outpouring of support and strengthened its deeply held belief that human-centered design can push the social sector forward.

IDEO.org is a nonprofit design organization that launched out of IDEO in 2011 with a mission to improve the lives of poor and vulnerable communities through design.

Visit designkit.org to download a free PDF, or get your own hard copy.

In 2009, IDEO designed and launched the HCD Toolkit, a first-of-its-kind book that laid out how and why human-centered design can impact the social sector.

After a bit of brainstorming, we hit on the perfect idea: a Noam-enabled modern twist on Pong, the classic, endlessly absorbing old video game.

The Pong-a-tron is considerably more complex than its predecessor. It links together four iPads, two Raspberry Pis, 12 Arduinos, 24 stepper motors, a Mac Mini, two Node.js applications, a Processing sketch, an Objective-C app, and over 2000 RGB LEDs. Noam coordinates the entire menagerie by hosting a conversation between all the different elements.

The Pong game itself was written in Node and broadcasts paddle and ball positions, which are then rendered on various portions of the overall display. The paddles are translated into physical "pixel" strips along the edges of the Pong-a-tron, while the ball moves seamlessly from Arduino-controlled RGB LEDs to iPads and Raspberry Pis.

The Pong-a-tron was initially showcased at Solid Conference 2014 and is now a permanent feature in the lobby of IDEO Chicago. Stop by and see it in person at a studio event, or pay Noam a virtual visit.

The Pong-a-tron would not be possible without the incredible talent, skill, collaboration and brainpower of many IDEOers including: Joe Banks, John Grimley, Travis Lee, Zeke Markshausen, David Sjunnesson, Ben Syverson, Jon Wettersten, Garrett Winther, and more. Video by Ben Syverson.

Noam is a software-messaging platform created by IDEO to help hardware and software tools communicate with one another. To introduce Noam to the world, we wanted to build a physical manifestation of the platform, something that was—like Noam—fun and exciting but also remarkably simple to use.

Our bell’s impressive literacy is the result of an experiment in creating cheap, simple, and easy-to-use networks of wireless sensors.

Miha Feus, the interaction designer at the helm of the project, points out that Internet-connected things are set to reshape our lives in ways we can’t even imagine. But while the technology isn’t particularly complicated, setting up and connecting the necessary sensors and receivers is difficult and expensive with the solutions currently available, and the battery life in these systems is terrible. Because of this, Miha says, experimentation by would-be makers is being stymied.

Miha’s solution is a system called Beachsand that aims to make wireless sensor networks, in his words, “as numerous, cheap, disposable, and user-friendly as grains of sand on a beach.” Beachsand is made up of a postage-stamp-sized smart transmitter called a SenseGrain and an Arduino-based receiver he’s dubbed the SandCastle.

You can plug any analogue sensor, button, or switch into a SenseGrain, measuring light, temperature, motion… anything you like. The SenseGrain then gathers data from those sensors and sends it to the SandCastle, and from there, you can use the information as you choose.

Miha explains that Beachsand isn’t really a product in and of itself, but rather a tool to help people cheaply and easily prototype new products, services, and data experiments. He and fellow interaction designer Siri Johansson have already prototyped one use case: the studio’s kitchen bell.

I caught up with Miha and Siri to find out more.

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What exactly is a SenseGrain, and how does it work?

Miha: A SenseGrain is an ATtiny85 microcontroller, which is basically a very stripped-down version of an Arduino, plus a transmitter circuit and a coin cell battery.

You plug in any analogue sensor or switch and set how often you want it to send data. The device then goes to sleep and waits until it receives whatever type of input you’re measuring (in this case, until someone rings the bell). The SenseGrain sends data from the sensor to a receiver, which, at the moment, is an Arduino, where you can access, use, and manipulate the data.

What’s so good about it?

Miha: It doesn’t require any soldering or programming, so it's easy to set up and requires no maintenance at all. I programmed the microcontroller so that it’s very energy-efficient—on standby, it can last up to 30 years on a single coin cell battery (theoretically, at least). And it’s cheap! Each SenseGrain costs $2-3 to make.

Because they’re so inexpensive, you could put them anywhere—in a trash can, for example, to monitor when it’s being opened. Or if you don’t want to check your mailbox, you could put a SenseGrain in there and Beachsand could just let you know when you have post.

Currently, anyone with an RF receiver on the same frequency is able to receive data the sensor is sending, and I would like to keep it that way. Keeping sensor data open gives more people the opportunity to build something with that data.

Can you explain your experiment with the bell?

Miha: It's our Kitchen Bell 2.0. It brings an ordinary object into the age of the Internet of Things, where every physical object has a digital layer.

Beachsand makes our bell more than a static object, limited by its location and the reach of its sound, and gives it the ability to transcend space and time to be “heard” anywhere in the world.

How did you build it?

Miha: First we had to pick the right sensor to detect when the bell is being rung. The simplest one in this case was a tilt switch. We plugged the switch into the RF transmitter and taped everything on the clapper of the bell.

The second part was about receiving the message from the sensor and sending out an email. For that, we used an Arduino and an RF receiver connected to a laptop, which talks to a program called Processing. In Processing, we used some existing code for sending out emails, which we modified for our needs.

What did you learn building the Kitchen Bell?

Siri: It makes you think about what the right tone of voice and personality is for a specific object. We wrote a few drafts of the bell’s email to the studio. It should be light and funny, but also demanding—it’s a bell, after all.

What inspired you from outside IDEO?

Siri: There's an interesting ongoing discussion on the narratives told by smart objects. Hello Lamp Post is a really nice example of giving a voice and personality to inanimate objects, and a lot of effort was spent to define the right tone of voice.

This way of working with sensors and actuators has interesting potential applications in both directions: physical to digital or vice versa. A couple of examples that work in the digital-to-physical direction are the UID cookie box, which rewards tweets with cookies, and Tableau, which quietly prints stuff it “sees” in its Twitter feed.

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What are you planning next?

Miha: Our colleague Alistair Norris is working on another application for the front door, to measure traffic in and out of the studio. We plugged a roller switch into a SenseGrain, which triggers every time the door opens, and added an Ethernet shield to the Arduino.

Beachsand is really still a work in progress. The next step is getting PCBs (printed circuit boards) done, so that I won't have to build every sensor transmitter by hand, which can take anywhere from one to four hours. With a PCB it will take just two to three minutes. PCBs are also less prone to malfunction.

Hopefully I’ll make a version with everything on board, including a littleBits connector. Then I’d like to build actuators, or “ActGrains,” to work with the SenseGrains and the SandCastle.

We’ll let you know more about Beachsand as we prototype more applications for it in the studio—or you might just get an update directly from our trash can, our front door, or the kitchen bell itself! You can find the code here in the meantime.

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The bell that rings in the kitchen at IDEO London sounds rather more sophisticated than the analogue clang you might expect to hear when meals and snacks are ready. Our bell prefers to send articulate email messages, like this recent missive: “I summon you all to the kitchen table for a Beer-n-Nuts with [Arduino co-founder] Massimo Banzi. Come join us. Cheers, your Kitchen Bell.”

Scott Murray is an assistant professor of design at the University of San Francisco, code artist, D3 expert, and contributor to the Processing language.

Scott is endlessly excited about using code as a tool for visual explorations of all kinds, from fine art to interactive data visualizations, but his students aren’t always quite so jazzed about the idea of programming. “They’re used to Photoshop and Illustrator, chopping up pictures and vectors,” he says. “Coding moves them into a totally different working environment.”

It’s Murray’s job to pry open students’ minds to not only the languages of code but also to a new way of thinking—a developer’s approach to solving problems and building things. To this end, he’s helping to continue the development of Processing language, which is tailored specifically to the task of teaching designers and artists to code. “There are pedagogical tools embedded in the language itself,” he says, like the use of familiar terms such as “stroke” and “fill” as well as processes that help students think like developers when approaching the craft of design. “For me, design is all about systems—not creating an image, but a system that, when applied, results in an effective solution,” Murray says. “Processing, as a teaching tool, forces students to think beyond the output or image they want to create and describe the system they’re making and what it needs to do.”

Processing gives designers new tools and expands their design thinking. It’s free, open source, and available to all at processing.org.

Keyfleas (2013) by Miles Hiroo Peyton

To get a sense of what beginners can do with the language, visit openprocessing.org and browse through the sketches.

If you’re itching to get your hands dirty, go straight to this collection of short, prototypical online programs that explore the basics of programming with Processing.

Check out the complete version of Scott Murray's New Year greeting card pictured in the header to this post here.

Every Thursday in Palo Alto, IDEO’s Digital Shop hosts an informal lunchtime presentation by someone who is using code to create something surprising, useful, or generally awesome. Colleagues from all around IDEO gather for a meal and leave with a week's worth of ideas to chew on. We’ve asked some recent speakers to highlight a quick insight or tool they’d like to share.

I help organizations cut through complexity by shaping how they show up, through brand strategy, identity, and storytelling.

Working at the intersection of brand and business, I bring an editorial eye and a bias toward making—turning ideas into tangible experiences that people can understand, trust, and believe in.

My work spans government, healthcare, financial services, media, and consumer goods, from launching Gen Z-focused ventures to building innovation labs and reimagining legacy brands. I relish moments of ambiguity and enjoy translating across teams, perspectives, and priorities to move ideas forward.

I started my career in editorial and digital design, shaping cross-platform experiences and identity systems in publishing and agency environments. That foundation still shapes how I work today: I’m detail-oriented, collaborative, and overreliant on the Oxford comma. I hold a BFA in Visual Communication from the School of the Art Institute of Chicago.

For 25 years, I've asked the same question: Who does this design exclude—and what are we going to do about it?

My work spans human-centered strategy, inclusive design, and qualitative research, with clients ranging from Microsoft, Google, and Verizon to the National Science Foundation, and San Francisco Unified School District.

Before IDEO, I taught elementary school in East Palo Alto and spent a decade doing design work with social service organizations—where I learned firsthand what it costs people when systems are built without them in mind.

I am currently writing User Error, a nonfiction book about digital access and the design decisions behind it. I live in Oakland, California.

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My expertise spans brand, communication, and product design across tech, education, the arts, and social impact.

I believe great work demands both high-level vision and obsessive attention to detail, and only happens through collaboration.

I bring an inclusive, hands-on approach and a deep understanding of business, which enables me to consistently deliver excellence while always asking why.

Before joining IDEO, I worked at the brand firms Pentagram and VSA Partners. I began my career as a designer, leading teams at the School of the Art Institute of Chicago and the Milwaukee Art Museum. I hold an MFA in graphic design from Maryland Institute College of Art and a BFA in communication design from the Milwaukee Institute of Art & Design, and have taught at some of the best design schools in the US.

I am responsible for IDEO’s long-term success in China and working with clients to use design as a tool to enable growth. Specifically, I have helped Chinese companies design holistic brand solutions through the development of their products, communication, services, and innovation teams, and I have helped multinationals expand their presence and influence in China.

I advise global leaders on developing China-led innovation and capabilities.

In over 15 years in IDEO Shanghai, I have worked on projects that use design to elevate the quality of the experience of healthcare products and services, streamline processes that increase productivity, create spaces and programs that promote and enable inclusive communities, and build next generation mobility solutions that are planet-positive.

Before joining IDEO, I worked at Philips Electronics and the Electrolux Group in Italy, the Netherlands, and Singapore on a number of breakthrough commercial products. I am a member of the Young President Organization in Shanghai.

Most AI products today are built for work—a space with clear problems and established systems. One founder noticed a gap: personal life is messier, harder to systematize, and mostly left behind by the AI boom. So she built Cue, a personal AI that lives inside iMessage and group chats, to go where the other tools haven't.

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In this episode, Becca Carroll, IDEO's Chief Strategy Officer, talks with Sida Li, co-founder and CEO of Shared Context Lab, about staying anchored to a human need while the technology around her keeps changing shape, why she treats her business model with the same rigor she'd bring to a product, and what it feels like to build a company at this particular, disorienting moment in AI.

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The conversation also gets into how Sida makes design decisions: the language Cue uses to describe itself, the tradeoffs behind building inside iMessage instead of a new app, and a real story about a business idea that didn’t pan out.

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This is the second in a two-part series profiling founders from IDEO's Startups-in-Residence program. The first conversation is with Johannes Seemann, founder of Sooner, on designing GenAI for the emotional side of money.

Most personal financial tools are built to run the numbers and optimize towards a budget. While that works for some, most people experience money as a lived relationship that does not neatly fit into a spreadsheet. Johannes Seemann and Becca Carroll discuss why money is emotional before it is mathematical, and what a human-centered approach to building a generative AI financial product looks like in practice.

Mina Seetharaman talks with Scott Shigeoka, author of Seek and Head of Curiosity Cultivation at the Eames Institute, about what distinguishes genuinely curious leadership from performative curiosity, how power dynamics shape curiosity, and why practicing curiosity can restore energy rather than drain it.

Mina Seetharaman talks with David Epstein, author of Inside the Box and Range, about why total freedom often produces average work, how leaders can design useful limits on purpose, and what organizations such as General Magic and Pixar reveal about the relationship between boundaries and creativity.