Stealth Startup Spy #242
McKinsey & PayPal alum raises $17M to automate tax prep, Former UiPath CISO builds AI defense platform, & 2x founder goes biotech to regenerate epithelial tissue and fight chronic disease
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In this issue of the Stealth Startup Spy, here is what we will uncover:
Ex-McKinsey and PayPal engineer builds an AI tax platform, backed by $17M from Northzone, Neo, and Raine
Former UiPath CISO and Google security lead builds a semi-stealth AI-powered cybersecurity startup
Former OpenSea COO and WeWork CTO builds a new venture in stealth
2x founder tackles epithelial regeneration to combat chronic disease with a biotech platform
Hopin and Uber alum helps restaurants go DTC without relying on third-party apps
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
Atul Ramachadran - Co-Founder and CTO at Filed
FounderDNA: Technical Founder
Prior Experience: Ex-Associate Tech Director at Anyfin, ex-Web Developer at Zettle by PayPal, ex-Senior Digital Analyst at McKinsey
Connect on: LinkedIn
Filed helps tax firms process more returns in less time by cutting prep, reducing review, and freeing teams for higher-value work.
HQ: New York, United States
Industry: Software Development | Team Size: 24
Latest Funding: $17.2M Pre-Seed and Seed Round on 5/21/2025
Key Investors: Northzone, Neo, Raine, Day One Ventures, J Ventures, Greens Ventures
Time Spent in Stealth Mode: 10 months
Ndubi Amos - Founder & CEO at Pathelium
FounderDNA: Serial Founder, Technical Founder, Prior Exit
Prior Experience: Co-Founder & CEO at Beep Electric, ex-Founder & CEO at PayCelo (acquired), ex-Information Technology Intern at Kenya Power
Connect on: LinkedIn
Pathelium is a biotech company targeting epithelial regeneration, the foundational tissue layer that drives 70% of chronic diseases (IBD, COPD, fibrosis).
HQ: Miami, Florida, United States
Industry: Biotechnology Research
Time Spent in Stealth Mode: 1 month
Ashish Popli - Co-Founder & CEO at Defendermate Systems
FounderDNA: Technical Founder, Former FAANG, Top 10 University
Prior Experience: Ex-VP, Security & Corporate Engineering at Spotnana, ex-Founding CISO at UiPath, ex-Product Trust and Safety Engineering Group Leader at Google, ex-Head of Product & Information Security at 2K, ex-Director, Information Security & Risk Management at Microsoft
Connect on: LinkedIn
Defendermate Systems is building a proactive attack aware defense platform powered by knowledge graphs & AI assisted search technology.
HQ: Seattle, Washington, United States
Industry: Computer and Network Security
Time Spent in Stealth Mode: 8 months
Agustin Sartorio - Founder & CEO at Reorder
FounderDNA: Serial Founder, Masters Degree, Top 10 University
Prior Experience: Ex-Growth lead, Streamable and Superwave at Hopin, ex-Co-Founder at Salads Club, ex-General Manager - Launcher at Rappi, ex-Marketing Manager & Launching team at Uber
Connect on: LinkedIn
Reorder makes it easier for restaurants to run their own direct-to-consumer (DTC) operation, while plugging into the infrastructure of quick commerce without depending on third-party platforms
HQ: Uruguay - Global
Industry: Technology, Information and Internet
Time Spent in Stealth Mode: 9 months
Michael Trehan - Co-Founder at HABIT
FounderDNA: Technical Founder, Top 10 University
Prior Experience: Ex-Senior Software Engineer at Radiant, ex-J.P. Morgan, Holds a dual B.S. degree from UC Berkeley in Electrical Engineering & Computer Science and Business Administration
Connect on: LinkedIn
HABIT is transforming neighborhood services with robotics, starting with auto detailing. (part YC X25 cohort)
HQ: El Segundo, California, United States
Industry: Software Development | Team Size: 2
Time Spent in Stealth Mode: 3 months
🕵️♂️Key Talent Going Under Stealth
Illuminating clues left behind by world class talent and influential innovators who just went into stealth mode
Patrick Samy - Co-Founder & CEO at Stealth Mode
FounderDNA: Serial Founder, Technical Founder, Masters Degree, Prior Exit, Top 10 University
Prior Experience: Ex-Director at Eight Sleep, ex-Co-founder & CEO at Span (acquired by Eight Sleep), ex-Product Engineer at Microsoft
Connect on: LinkedIn
HQ: United States
Time Spent in Stealth Mode: 2 months
Shiva Rajaraman - CEO at Stealth
FounderDNA: Technical Founder, Masters Degree, Former FAANG, Top 10 University
Prior Experience: Ex-VP Delivery Products at Uber, ex-Chief Operating Officer at OpenSea, ex-VP Commerce at Meta, ex-CTO at WeWork, ex-VP Product at Spotify
Connect on: LinkedIn
HQ: San Francisco, California, United States
Time Spent in Stealth Mode: 1 month
Boris Danilovich - Co-Founder at Stealth
FounderDNA: Technical Founder, Masters Degree
Prior Experience: Ex-Director of Software Engineering at CrowdStrike, ex-Senior Solutions Engineer at Preempt, A CrowdStrike Company, ex-Development & Operations Team Leader at Israeli Military Intelligence - Unit 8200
Connect on: LinkedIn
HQ: Tel Aviv District, Israel
Time Spent in Stealth Mode: 5 months
Scott C. Riggs - Founder at Stealth AI
FounderDNA: Technical Founder, Doctorate Degree, Top 10 University
Prior Experience: Ex-Senior Manager, Deep Learning | Bayesian Optimization Algorithms at Applied Materials, ex-Data Science Manager at Lam Research, Stanford alum
Connect on: LinkedIn
HQ: San Francisco, California, United States
Time Spent in Stealth Mode: 1 month
Evelyn Robbrecht - Co-Founder at Stealth Startup
FounderDNA: Technical Founder, Masters Degree, Former FAANG, Top 10 University
Prior Experience: Ex-VP of Product, Saks Global at Saks, ex-Product Manager at Apple, Chicago Booth MBA
Connect on: LinkedIn
HQ: Los Angeles, California, United States
Time Spent in Stealth Mode: 1 month
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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.