Iron Foundry by Terra API

Kyriakos Eleftheriou

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Kyriakos Eleftheriou, the founder and CEO of Terra API speaks with some of the best founders and CEOs in the space of health and fitness, to learn how the best are building their businesses. At TERRA API, we are on a mission to enable developers to connect and create solutions by using health data.

SEP 5

Virgin Active CTO: David Turner

David Turner is the Group CTO of Virgin Active, a global health brand with more than 230 fitness clubs across 8 countries. He previously led NHS tech during Covid. The host: Kyriakos More about Virgin Active00:00 - Intro01:26 - UK Tech05:33 - F1 telemetry vs fitness data07:33 - Betting + health data09:30 - Getting into software engineering13:51 - Inside NHS tech: joining mid-Covid chaos14:00 - Leading the NHS Covid digital response, 24/720:56 - Building national-scale testing tech24:49 - The real data engine behind the Covid travel pass26:00 - Virgin Active after NHS30:40 - Inside Virgin clubs tech33:40 - 360° member view41:40 - Rewards45:19 - Why true gym innovation came from outsiders54:40 - Advice to young engineers: fail fast, fail often58:17 - The future of health: your constant digital twin

1 hr
AUG 4

Nucleus Genomics Founder: Kian Sadeghi - Live

The founder of Nucleus, Kian Sadeghi, joined Kyriakos Eleftheriou, in the second health day in San Francisco, and shared his learnings in front of a 300-person audience before the Y Combinator AI event. 00:00 Intro 02:01 The Jake Paul vs. Mike Tyson fight sponsorship story. 05:01 "Fundraising is an art." 08:01 Competing with Mr. Beast and the importance of storytelling. 11:01 The evolution and impact of genetic testing. 14:01 Future of genetics and embryo selection. 17:01 AI in genetics. 20:01 Narrative in startup success. 23:01 Regulatory challenges 26:01 Personal journey and insights on building a company. 29:01 Genetic testing market 32:01 The role of computational biology in genetics. 35:01 The impact of whole genome sequencing on healthcare. 38:01 The future of genetic engineering and its societal implications. 41:01 The intersection of AI and genetics. 44:01 The importance of storytelling in the tech industry. 50:01 Future vision. 53:01 Q&A

1h 17m
JUL 15

Strava cofounder: Mark Gainey Live in San Francisco

After the Y Combinator AI event, Kyriakos Eleftheriou sat down with Mark Gainey co-founder of Strava, who shared his entrepreneurial journey, discussing the evolution of Strava from a startup to a $2.2 billion fitness platform. Chapters 00:00 Intro 04:15 How technology changed 11:35 Should you be niche with AI 13:20 Building a Community 17:00 Dealing with big companies early on 20:53 User Feedback 23:00 Elimination process 25:10 Fundraising 28:43 AI 30:50 Adding more sports 36:18 The Future of Fitness 42:20 Storytelling 46:00 Q&A

1h 13m
JUN 27

Founder of Remote: Marcelo Lebre

How do you build a $3B company from Portugal? In this episode, Marcelo Lebre (Co-founder of Remote), in a discussion with Kyriakos , shares how he went to building one of Europe’s top startups and why health, culture, and ruthless focus were key to scaling Remote globally. We talk fitness, healthcare, European bureaucracy, and the mindset behind building a generational company. Follow Marcelo → https://x.com/marcelo_lebre Follow Kyriakos → https://x.com/kyriakosel Chapters: 00:00 Intro 03:08 Training for Longevity 05:11 Nutrition and Wearables 08:14 What Doctors Miss 11:06 DIY Health and Data 14:10 Health Isn’t Just Avoiding Sickness 17:20 The Quote That Hit Hard 18:53 Building a Unicorn in Portugal 23:35 Why European Startups Die 27:12 Bureaucracy and Politics 32:03 What Governments Must Fix 35:50 Remote Still Feels Like a Startup 38:05 Europe’s Investment Problem 40:11 Remote Was Built Out of Frustration 44:03 Building a Global HR Platform 49:06 The Backbone of Global Hiring 52:04 No Ego No Politics 55:15 Not a Family A Team 57:52 How to Attract Top Talent 59:39 His 100-Year Vision

1h 2m
JUN 5

Sequoia Partner: George Robson

In the latest conversation at Imperial College London, Kyriakos is joined by George Robson, Partner at Sequoia. George went from leading global products at Revolut to joining Sequoia Capital - one of the most selective VC firms in the world. At Revolut, he helped scale the team from a few hundred to thousands and launched products used by millions. Now at Sequoia, he backs Europe’s most ambitious founders. In this episode, George shares: What made Revolut’s culture so intense and effectiveHow Sequoia actually decides who to fundThe founder red flag they won’t tolerateWhy “talent density” beats speed in the early days Whether you’re raising your first round, building a team, or just curious how the top VCs think this episode is packed with real insight from both sides of the table. Follow George Robson on X Follow Kyriakos Eleftheriou on X TIMESTAMPS: 00:00 – Intro: From Revolut to Sequoia 03:15 – What made Revolut’s culture brutally effective 06:40 – Nik Storonsky’s “gym” metaphor and hiring filter 10:30 – The pod structure that unlocked speed and ownership 13:50 – Why Revolut grew like a Darwinian startup lab 17:10 – Inside Sequoia: culture, filters, and pace 21:45 – What founders often misunderstand about VC 24:30 – 50/50 founder equity splits: why it’s a red flag 28:00 – How Sequoia filters for world-class founders 31:00 – The 4 traits George looks for before investing 35:20 – Working with founders after the check lands 38:50 – Europe vs US: what’s still misunderstood 43:00 – How to pitch Sequoia the right way 46:30 – What great founders don’t do in a pitch 50:15 – Why storytelling and obsession matter 53:45 – What George would do differently as a founder 56:00 – Lightning round: hot takes on VC, speed, AI 59:10 – Closing thoughts: how to build for the long game

1 hr
MAY 21

Founder of Flo Health: Dmitry Gurski

In the latest episode, Kyriakos is joined by Dmitry Gurski , the CEO of Flo Health, the fastest growing health startup in the world, for 2024, in their conversation at Imperial College London Timestamps: 00:00 - Intro 02:10 - Early Failures & $60M Mistake 05:45 - Smart Founders Fail 08:20 - Launching Flo 11:10 - What Great Products Have in Common 13:30 - Beating Max Levchin & a16z 16:00 - Winning against Apple 20:30 - Fundraising 23:10 - 300 Experiments 26:00 - What Almost Killed Flo 28:40 - From $1B to $10B Valuation 30:00 - AI is too slow 33:30 - Fast Decisions > Smart Decisions 36:28 Q&A

49 min
APR 17

Ethan Kurzweil: Managing Partner at Chemistry

Kyriakos is joined by Ethan Kurzweil, a founding partner at Chemistry and former managing partner at Bessemer Venture Partners. He’s led early investments in Twitch, Twilio, Intercom, and PagerDuty — and in this conversation, he shares what separates good founders from iconic ones. In this episode, we discuss: - Why the best founders are like cult leaders - What makes a startup idea truly contrarian - How to build a focused, high-conviction VC fund - The future of AI-native companiesWhether you’re raising, investing, or building — This is a must-listen for anyone serious about startups. Follow Ethan on X: https://twitter.com/@ethankurz Follow Kyriakos on X: https://twitter.com/@kyriakosel Chemistry VC: @chemistry_fund | [https://chemistry.vc](https://chemistry.vc/) TIMESTAMPS 00:00 - Intro 02:10 - What Makes a Cult-Like Founder 05:20 - Why the Best Startups Start in SF 08:30 - The Origins of Ethan & Chemistry VC 10:20 - How He Spotted Twilio Early 13:45 - What Great Founders Have in Common 18:00 - Contrarian vs. Consensus Thinking 21:00 - Lessons from Bessemer + Transition to Chemistry 26:00 - Why Chemistry Focuses Only on Early Stage 30:30 - Building a High-Conviction VC Fund 35:00 - What Chemistry Invests In 38:00 - How to Build a Durable AI Company 43:00 - Why AI Will Reshape Healthcare First 47:10 - Ethan’s First Healthtech Investment 50:00 - Building Strong Startup Culture 52:00 - Advice for Founders Moving to SF 54:40 - Ethan’s 50-Year Future Vision 58:00 - The Future of Creativity & Learning 1:01:00 - Are Elite Universities Still Worth It? 1:03:00 - How to Reach Ethan & Final Words

1h 4m
APR 2

AllTrails CPO: Ivan Selin

Ivan Selin is the Chief Product Officer of Alltrails. In this conversation with Kyriakos Eleftheriou, he discussed his previous experience building world-class products with Apple, Airbnb, and Uber and how he is currently shaping the future of the outdoors with Alltrails.Chapters00:00 Intro02:52 Career06:01 Lessons from Leading the Best Product Companies12:04 Joining AllTrails17:54 User Experience21:09 Product Focus23:55 Organizational Structure27:02 Growth Planning31:23 SEO35:43 AI38:29 Competition40:19 Crafting a User-Centric Product44:31 Culture49:08 Technology's Role in Outdoor Experiences51:01 Mental Models

55 min

Kyriakos Eleftheriou, the founder and CEO of Terra API speaks with some of the best founders and CEOs in the space of health and fitness, to learn how the best are building their businesses. At TERRA API, we are on a mission to enable developers to connect and create solutions by using health data.

Creator

Kyriakos Eleftheriou
Years Active

2022 - 2025
Episodes

61
Rating

Explicit
Copyright

© Kyriakos Eleftheriou
Show Website

Iron Foundry by Terra API

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