Stealth Startup Spy #248
Prezi founder returns with human connection startup, ex-Google GenAI lead builds agent training platform, and SpaceX alum tackles water crisis with next-gen desalination tech
If you want your own startup, your portfolio company, or just a rockstar team to get featured in front of our audience of 25K+ investors, submit it here to be considered.
In this issue of the Stealth Startup Spy, here is what we will uncover:
Prezi founder (140M+ users) returns with a stealth startup focused on helping people build healthier relationships, (now seeking a founding-level CTO)
Former Google GenAI lead and Pear VC fellow launches agent training platform for enterprise tasks
13-year SpaceX vet builds next-gen desalination hardware to fight the global water crisis
Tesla alumni launch smart wearable to optimize strength training and rehabilitation
Ex-Federato VP and Facebook engineering director launches stealth AI product for teams
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
Andi Partovi - Co-Founder at Veris AI
FounderDNA: Serial Founder, Technical Founder, Doctorate Degree, Former FAANG
Prior Experience: Ex-GenAI Specialist Solution Architect & ANZ AI/ML Lead at Google, ex-Fellow at Pear VC, ex-Co-Founder at Cardiopin & Metronome Beats
Veris is an end-to-end platform for teaching AI agents how to perform enterprise tasks.
HQ: New York, New York, United States
Industry: Technology, Information and Internet | Team Size: 4
Co-Founder: Mehdi Jamei (Ex-Director of AI at System Inc., UCBerkeley alum - connect via email)
Latest Funding: $8.5M Seed Round on 6/2/2025
Key Investors: Decibel Ventures, Acrew Capital
Time Spent in Stealth Mode: 4 months
Jonathan Criss - Founder & CEO at Vital Lyfe
🔎Featured Founder under stealth mode in StealthStartupSpy#212
FounderDNA: Technical Founder
Prior Experience: Ex-Starlink Development Engineering Manager, ex-Dragon Product & Engineering Lead, ex-Integration/Test Engineer at SpaceX (13 years)
Connect on: LinkedIn
Vital Lyfe is tackling the global water crisis by developing innovative, desalination devices designed for efficiency and accessibility.
HQ: Hawthorne, California, United States
Industry: Climate Technology Product Manufacturing | Team Size: 9
Co-Founder: Andrew Harner (Ex-Mission Manager, Lead Avionics Engineer, and Mission Assurance Engineer at SpaceX)
Time Spent in Stealth Mode: 7 months
Zachary Kabelac - Co-Founder at Aperture Space
🔎Featured Founder under stealth mode in 86 weeks ago
FounderDNA: Serial Founder, Technical Founder, Doctorate Degree, Masters Degree, Top 10 University
Prior Experience: Ex-Lead Electrical Engineer & Sr. RF Comms Engineer at Hedron, ex-PhD Researcher at MIT
Connect on: LinkedIn
Aperture Space is revolutionizing earth health monitoring and critical intelligence.
HQ: Boston, Massachusetts, United States
Industry: Space Research and Technology | Team Size: 5
Time Spent in Stealth Mode: 2 years 5 months
Sandeep Kachru - Co-Founder at Agami AI
🔎Featured Founder under stealth mode in 60 weeks ago
FounderDNA: Technical Founder, Masters Degree, Former FAANG
Prior Experience: Ex-Head of Data Platform at Airtable, ex-Data Engineering Manager at Facebook & Google, ex-Sr. Data Engineer at Amazon
Agami's AI platform offers Private, Secure Models trained on your data and workflows, with enterprise-grade performance, high accuracy, and built-in agents.
HQ: San Francisco, California, United States
Industry: Software Development | Team Size: 3
Co-Founder: Ashwin Ramachandran (Ex-Head of Engineering at Interview Kickstart - connect via email)
Time Spent in Stealth Mode: 17 months
Paul Schneider - Co-Founder and CTO at Fort
FounderDNA: Technical Founder
Prior Experience: Ex-Senior System Integration Engineer at Tesla, ex-Hardware & Software Lead at UC Riverside FSAE, ex-Electrical Engineering Intern at Rivian
Connect on: LinkedIn
Fort is a wearable for strength training and rehabilitation helping users improve their form, track progress, and choose optimal exercises.
HQ: San Francisco, California, United States
Industry: Wellness and Fitness | Team Size: 2
Co-Founder: Miranda Nover (Ex-Mechanical Design Engineer at Tesla)
Key Investors: Afore Capital, Banana Capital
Time Spent in Stealth Mode: 6 months
🕵️♂️Key Talent Going Under Stealth
Illuminating clues left behind by world class talent and influential innovators who just went into stealth mode
Peter Arvai - Founder at Stealth
Working on a new company focused on helping people build healthier relationships. (Looking for a founding-level CTO, ideally San Francisco-based)
FounderDNA: Serial Founder, Masters Degree
Prior Experience: CEO and Founder of Prezi, with over 140 million users
HQ: San Francisco, California, United States
Time Spent in Stealth Mode: 1 month
Tim Collins - Founder at Stealth AI Startup
Building AI for teams.
FounderDNA: Technical Founder, Doctorate Degree, Former FAANG, Top 10 University
Prior Experience: Ex-VP of Engineering at Federato & Hive, ex-Director of Engineering at Facebook & Google, ex-CTO at Metromile and Visto
Connect on: LinkedIn
HQ: San Francisco, California, United States
Time Spent in Stealth Mode: 2 months
Cheng Yang - Co-Founder at Stealth Startup
FounderDNA: Serial Founder, Technical Founder, Masters Degree, Former FAANG, Top 10 University
Prior Experience: Ex-CTO at Circolo, ex-Platform & Infra Head at Scale AI, ex-AI Engineering Manager at AWS, ex-Uber, ex-LinkedIn
Connect on: LinkedIn
HQ: China - Remote
Time Spent in Stealth Mode: 4 months
Tony Lee - Founder & CEO at Stealth AI Cyber Startup
FounderDNA: Serial Founder, Technical Founder, Masters Degree, Prior Exit, Top 10 University
Prior Experience: Ex-VP of Information Security & Data/AI Engineering at JD.com (NASDAQ:JD), ex-CTO at AnquanBao (acquired), ex-Lead Architect for Windows Defender at Microsoft, advisor at Berkeley SkyDeck
Connect on: LinkedIn
HQ: San Francisco, California, United States
Time Spent in Stealth Mode: 2 months
Yao Zhao - Co-Founder at Stealth Startup
FounderDNA: Technical Founder, Doctorate Degree, Former FAANG, Top 10 University
Prior Experience: Ex-Staff Software Engineer at DeepMind and Google Brain, ex-Applied Scientist at Microsoft AI & Research
Connect on: LinkedIn
HQ: San Francisco, California, United States
Time Spent in Stealth Mode: 18 months
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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.