Stealth Startup Spy #204
YC Partner becomes CEO of AI startup streamlining biotech paperwork, The Athletic founder/CEO launches athlete-focused healthcare platform, & Stanford MBA, Meta/Uber alum starts stealth venture
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In this issue of the Stealth Startup Spy, here is what we will uncover:
YC Partner leaves to become CEO of AI startup streamlining biotech paperwork (raises $30M)
The Athletic founder and CEO (acquired by NYT for $550M) launches new athlete-focused healthcare platform (raises $13.25M)
Former Alteryx AI leader and ex-Head of Product Strategy at Adobe embarks on stealth venture
Stanford MBA and Meta, Uber alum builds something new in stealth mode
And more…
Now let’s shine the spotlight… 💡💡💡
🕵️♂️Founders Coming Out of Stealth
Real-time updates from founders who debut what they’ve been working on under stealth mode
Alex Mather - Founder & CEO at Eternal
🔎Featured Founder under stealth mode in StealthStartSpy#132
FounderDNA: Serial Founder
Prior Experience: Founder and CEO at The Athletic (acquired by The New York Times for $550M), ex-Vice President, Product Management & Product Design at Strava
Connect on: LinkedIn
Eternal provides personalized, science-backed health and performance strategies, combining expert care teams and comprehensive diagnostics to help individuals optimize fitness, health, and aging.
HQ: San Francisco, California, United States
Industry: Technology, Information and Internet | Team Size: 26
Latest Funding: $13.25M Seed Round on 01/2025
Key Investors: Lightspeed Venture Partners, Courtside Ventures, Treble Capital, Next Ventures, Founders Fund, Terrain, Jazz Venture Partners, Precursor Ventures, Bling Capital, Flare Capital Partners
Time Spent in Stealth Mode: 12 months
Surbhi Sarna - Co-Founder & CEO at Collate
FounderDNA: Serial Founder, Top 10 University
Prior Experience: General Partner at Y Combinator, Founder of nVision (sold to Boston Scientific for $275 million)
Connect on: LinkedIn
Collate uses AI to create and streamline paperwork for diagnostic, medical device, and drug development companies—from concept to market.
HQ: San Francisco, California, United States
Industry: Software Development | Team Size: 3
Co-Founders: Nate Smith (Co-founded Lever (YC S12), and sold to Employ for $517.5 million) , Jigish Patel (Ex-Airbnb, ex-Netflix)
Latest Funding: $30M Seed Round on 01/2025 led by Redpoint
Time Spent in Stealth Mode: 1 month
Shashank Sripad - Co-Founder & CTO at And Battery Aero
FounderDNA: Serial Founder, Technical Founder, Doctorate Degree, Masters Degree
Prior Experience: Ex-Researcher at Carnegie Mellon University, PhD in Mechanical Engineering from Carnegie Mellon University
Connect on: LinkedIn
And Battery Aero builds battery systems to decarbonize and propel the future of aviation.
HQ: Palo Alto, California, United States
Industry: Aviation and Aerospace Component Manufacturing | Team
Size: 7
Latest Funding: $11.9 million ARPA-E grant
Time Spent in Stealth Mode: 3 years
Sahil Shah - Founder & CEO at FlowState AI
FounderDNA: Serial Founder, Technical Founder, Masters Degree, Former FAANG
Prior Experience: Ex-Software Engineer at Waymo, ex-Technical Lead at Ike, ex-Engineer at Apple
Connect on: LinkedIn
FlowState provides video search and video workflow automation solutions.
HQ: San Francisco, California, United States
Industry: Technology, Information and Media | Team Size: 2
Time Spent in Stealth Mode: 1 year 1 month
Raphael Harel - Founder at Nuance
FounderDNA: Technical Founder, Masters Degree, Former FAANG
Prior Experience: Ex-Software Engineer at Moojo.xyz, ex-Machine Learning Engineer at Apple, ex-Cryptography Research Engineer at PayPal
Connect on: LinkedIn
Nuance is a social networking platform making online spaces more truthful and empathetic.
HQ: Singapore
Industry: Social Networking Platforms
Time Spent in Stealth Mode: 7 months
🕵️♂️Key Talent Going Under Stealth
Illuminating clues left behind by world class talent and influential innovators who just went into stealth mode
Asa Whillock - CEO at Stealth AI Startup
FounderDNA: Technical Founder, Top 10 University
Prior Experience: Ex-VP & GM of Artificial Intelligence & Machine Learning at Alteryx, ex-Head of Product Strategy and Operations at Adobe
Connect on: LinkedIn
HQ: San Francisco, California, United States
Time Spent in Stealth Mode: 4 months
Jeff Mahacek - Founder at Stealth Startup
Prior Experience: Ex-VP of Product Design at Redfin, ex-VP of Design at NerdWallet, ex-Group Design Director at Genius Sports, ex-Director of User Experience at Intel
Connect on: LinkedIn
HQ: United States
Time Spent in Stealth Mode: 2 months
Aashish Suneja - Founder at Stealth
FounderDNA: Masters Degree
Prior Experience: Ex-VP | Head - Customer Experience at Zomato, ex-General Manager - Strategy & Ops at BIBA Apparels, ex-Engagement Manager at KPMG India
Connect on: LinkedIn
HQ: India
Time Spent in Stealth Mode: 4 months
Talal A. - Co-Founder at Stealth Mode
FounderDNA: Masters Degree, Former FAANG, Top 10 University
Prior Experience: Ex-Product at Spotify, ex-Head of Product Partnerships & BD at Meta, ex-Director of Strategy & Partnerships at Boxed, ex-Business Development & Operations at Uber, ex-McKinsey, Stanford MBA
Connect on: LinkedIn
HQ: United States
Time Spent in Stealth Mode: 1 month
Louis Gresham - Co-Founder & CEO at Stealth
FounderDNA: Serial Founder, Masters Degree, Former FAANG, Top 10 University, Prior Exit
Prior Experience: Ex-Co-Founder, Venture Partner at 1AM Gaming, ex-Senior Manager at Google X, ex-Co-Founder, CEO at Cape ($20M raised / funded by NEA, Google, others; later acquired by Motorola)
Connect on: LinkedIn
HQ: Seattle, Washington, United States
Time Spent in Stealth Mode: 9 months
Stay Stealthy,
Drake
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Stealth Startup Spy is a data-driven newsletter for investors, journalists and tech enthusiasts interested in uncovering the next big move for key talent, real-time stealth company launches and technology advancements not in plain sight. We leverage the technology built at Gravity to shine a light on the hidden world of stealth startups.