Roshan Zavery designs tools in service of people's health.
Roshan Zavery designs tools in service of people's health.
Flo app icon, a white feather on a pink gradient background.

Flo is the world's #1 health app, with over 380 million downloads and 80 million monthly active users. I've led multiple first-to-market features for perimenopause.

Flo is the world's #1 health app, with over 380 million downloads and 80 million monthly active users. I've led multiple first-to-market features for perimenopause.

Flo is the world's #1 health app, with over 380 million downloads and 80 million monthly active users. I've led multiple first-to-market features for perimenopause.

Flo app icon, a white feather on a pink gradient background.
Flo app icon, a white feather on a pink gradient background.

Flo is the world's #1 health app, with over 380 million downloads and 80 million monthly active users. I've led multiple first-to-market features for perimenopause.

Three iPhone screens from the Flo app's Perimenopause Tracker, showing a perimenopause score trend, a Menopause Timeline phase breakdown, and personalized quick relief tips.

Perimenopause Tracker

Perimenopause Tracker

Giving users clarity on two fronts: the Menopause Timeline locates them within the transition, and the Perimenopause Score measures how symptoms are impacting their quality of life.

2026 • Case study coming soon

Perimenopause Tracker

Perimenopause can feel ambiguous and unpredictable. This tool gives users clarity on two fronts: the Menopause Timeline locates them within the transition, and the Perimenopause Score measures how symptoms are impacting their quality of life.

2026 • Case study coming soon

Withings app icon, a heart in an orange-to-blue gradient.

Withings blends beautifully designed devices with clinically validated insights to help people take control of their health. I led projects that spanned hardware, software, and services.

Withings blends beautifully designed devices with clinically validated insights to help people take control of their health. I led projects that spanned hardware, software, and services.

Withings app icon, a heart in an orange-to-blue gradient.
Withings app icon, a heart in an orange-to-blue gradient.

Withings blends beautifully designed devices with clinically validated insights to help people take control of their health. I led projects that spanned hardware, software, and services.

Withings app icon, a heart in an orange-to-blue gradient.

Withings blends beautifully designed devices with clinically validated insights to help people take control of their health. I led projects that spanned hardware, software, and services.

Collage of Withings U-Scan app screens: the home dashboard with today's missions, the white U-Scan device, pH tracking, and Health Improvement Score with diet recommendations.

U-Scan Experience

U-Scan Experience

The end-to-end journey for the world’s first at-home urine lab. From set up to rich data interpretation.

2024 • Case study coming soon

IBM is a global technology leader helping organizations transform through innovation, cloud, and AI. Its expertise spans industries, powering solutions that make businesses smarter, faster, and more resilient.

IBM is a global technology leader helping organizations transform through innovation, cloud, and AI. Its expertise spans industries, powering solutions that make businesses smarter, faster, and more resilient.

IBM is a global technology leader helping organizations transform through innovation, cloud, and AI. Its expertise spans industries, powering solutions that make businesses smarter, faster, and more resilient.

IBM is a global technology leader helping organizations transform through innovation, cloud, and AI. Its expertise spans industries, powering solutions that make businesses smarter, faster, and more resilient.

IBM is a global technology leader helping organizations transform through innovation, cloud, and AI. Its expertise spans industries, powering solutions that make businesses smarter, faster, and more resilient.

Portrait of Amy Griffin, Product Leader at Flo Health.

Amy Griffin

Product Leader at Flo Health

I have absolutely loved working closely with Rosh! He is easily one of the most exceptionally skilled senior product designers I have ever had the pleasure of collaborating with.


What truly sets Rosh apart is that he doesn't just execute design; he acts as a true strategic partner. He seamlessly balances user experience with technical feasibility, and navigates fast-paced, highly complex, and ambiguous environments with a calm, thoughtful approach, collaborative energy, warmth and care for his team.


Rosh is also highly respected by cross-functional peers and senior stakeholders and is a rare talent who deeply lifts both the product and the culture around him, and anyone would find him to be an invaluable asset to their

Portrait of Charlie McCourt, Senior Content Designer at Flo Health.

Charlie McCourt

Senior Content Designer at Flo Health

Roshan is one of the best product designers I’ve worked with. He’s smart, works fast with great quality, and delivers amazing work time after time. He’s got that magic quality of being able to hold many ideas at once, balancing big systemic thinking with user needs, and the practicalities of getting things across the line and built at speed. He’s a real gem and any organisation would be lucky to have him.

Portrait of Lucas Guarneri, Head of Product Design at Withings.

Lucas Guarneri

Head of Product Design at Withings

From his first day he impressed me with how fast he ran when he hit the ground with user and clinically-informed decisions topped by exemplary execution while adopting a flexible attitude towards change.

He has been a key ally in setting the collective bar for craft, quality, process, communication and collaboration. He has routinely mentored the team from juniors to seniors on visual design, UX writing, hierarchy, spacing, color/text treatments, assets, iconography, accessibility and inclusivity.


He has managed to position himself as a go-to design person for employees including C-level executives. He has directly improved the collaboration with engineering and marketing teams to ensure design.

Portrait of Molly O'Rourke, Design Director at IBM.

Molly O'Rourke

Design Director at IBM

Over the 2 years that I have worked with Rosh, I have seen him grow into a very talented designer and a highly valued member of our team. His growth mindset, attention to detail, presentation skills, and natural curiosity have made him a well-rounded designer capable of tackling a wide range of design challenges.

I'm a Senior Product Designer at Flo Health in London, where I lead design for perimenopause — one of the most meaningful and nuanced stages in a woman’s health experience. Before this, I spent four years at Withings in Paris, delivering business-critical projects that reached millions. From launching new device categories like U-Scan to building the Withings+ subscription service, my work centred on health, data visualisation, and behaviour change at scale.


Prior to Withings, I designed sales enablement tools at IBM Design in London. I studied Industrial Design at Loughborough University, balancing coursework with a part-time role at the Apple Store. A favourite career moment? Going from selling Withings devices to designing the experiences behind them.

I'm a Senior Product Designer at Flo Health in London, where I lead design for perimenopause — one of the most meaningful and nuanced stages in a woman’s health experience. Before this, I spent four years at Withings in Paris, delivering business-critical projects that reached millions. From launching new device categories like U-Scan to building the Withings+ subscription service, my work centred on health, data visualisation, and behaviour change at scale.


Prior to Withings, I designed sales enablement tools at IBM Design in London. I studied Industrial Design at Loughborough University, balancing coursework with a part-time role at the Apple Store. A favourite career moment? Going from selling Withings devices to designing the experiences behind them.


I consider myself a generalist. I lead projects from initial discovery through to polished implementation — shaping strategy, testing ideas, refining UX flows, and sweating the final details. I collaborate deeply across disciplines and thrive in teams that blend empathy with high standards.


My work has earned CES Innovation Awards and has been featured by TIME Magazine, The Verge, and TechCrunch.


Outside of work, you’ll find me in nature, in a coffee shop, or eating pastries — probably all three. In addition to the beautiful teachings provided by my parents, Lady Gaga taught me to love myself — because I was Born This Way.

I'm a Senior Product Designer at Flo Health in London, where I lead design for perimenopause — one of the most meaningful and nuanced stages in a woman’s health experience. Before this, I spent four years at Withings in Paris, delivering business-critical projects that reached millions. From launching new device categories like U-Scan to building the Withings+ subscription service, my work centred on health, data visualisation, and behaviour change at scale.


Prior to Withings, I designed sales enablement tools at IBM Design in London. I studied Industrial Design at Loughborough University, balancing coursework with a part-time role at the Apple Store. A favourite career moment? Going from selling Withings devices to designing the experiences behind them.


I consider myself a generalist. I lead projects from initial discovery through to polished implementation — shaping strategy, testing ideas, refining UX flows, and sweating the final details. I collaborate deeply across disciplines and thrive in teams that blend empathy with high standards.


My work has earned CES Innovation Awards and has been featured by TIME Magazine, The Verge, and TechCrunch.


Outside of work, you’ll find me in nature, in a coffee shop, or eating pastries — probably all three. In addition to the beautiful teachings provided by my parents, Lady Gaga taught me to love myself — because I was Born This Way.

I consider myself a generalist. I lead projects from initial discovery through to polished implementation — shaping strategy, testing ideas, refining UX flows, and sweating the final details. I collaborate deeply across disciplines and thrive in teams that blend empathy with high standards.


My work has earned CES Innovation Awards and has been featured by TIME Magazine, The Verge, and TechCrunch.


Outside of work, you’ll find me in nature, in a coffee shop, or eating pastries — probably all three. In addition to the beautiful teachings provided by my parents, Lady Gaga taught me to love myself — because I was Born This Way.