This Week’s Top Talent Pools

Chainguard, the software supply-chain security company, has now raised ~$892M total at a $3.5B valuation — a $356M Series D (4/25) followed by a $280M growth round (10/25) — backed by Kleiner Perkins, Sequoia, IVP, and General Catalyst. ARR hit $40M with projections to top $100M by end of FY26, and Gartner named it a 2026 Magic Quadrant Leader.

  1. Kim Lewandowski in SF (Stealth)

    1. e: Co-Founder & CPO @ Chainguard (4.5 yrs)

    2. Other Experience: Product Manager @ Google, Founder @ Spotwag (acq by Rover), SWE @ SimpleGeo, Head of Product & Eng @ Brit + Co

    3. Description: Stealth dev-tools venture since 6/26 - likely with Brad & Wojciech

    4. Contact: Twitter

OpenRouter, the LLM-aggregation platform co-founded by founding OpenSea CTO Alex Atallah, has discussed a sale that could value it in the billions (last valued at $1.3B by investors including CapitalG), per The Information (7/20). The talent tie runs through OpenSea, the NFT marketplace Atallah co-founded and scaled to $4B+ monthly volume.

  1. Nadav Hollander in SF (Stealth)

    1. Role: CTO @ OpenSea (3.5 yrs; OpenRouter founder’s previous company)

    2. Other Experience: Founder & CEO @ Dharma ($7M from Polychain, Coinbase Ventures, Passport → acq by OpenSea), SWE @ Google, Stanford BS CS

    3. Description: "Something new”

    4. Contact: Twitter

Fluidstack, the AI-datacenter builder behind Anthropic's $50B Texas and New York buildout, is in talks to raise $1B at an $18B valuation, potentially led by Jane Street — more than doubling the ~$7.5B mark from its December round led by Leopold Aschenbrenner's Situational Awareness (with the Collison brothers, Nat Friedman, and Daniel Gross).

  1. Peter Francis in SF (Stealth)

    1. Role: Co-Founder @ Fluidstack (2 yrs)

    2. Other Experience: Project Lead @ AI Safety Projects, Durham PPE

    3. Description: Stealth since 11/25

    4. Contact: [email protected]

  2. Jörg Doku in NYC (Stealth)

    1. Role: MTS @ Fluidstack (1 yr)

    2. Other Experience: COO @ Brium, Head of ML Deployment @ RunPod, ML Deployment @ Cruise, Research Engineer @ Google Brain, Research Engineer @ Meta AI (FAIR), Cornell BS Math & CS

    3. Description: "AI infrastructure for production systems: inference, deployment, reliability, workload orchestration"

    4. Contact: Site, Twitter, [email protected]

Atoms, Travis Kalanick's robotics company (formerly CloudKitchens / City Storage Systems), raised $1.7B on 7/22 led by Andreessen Horowitz, with Bain Capital, Fifth Wall, and others participating. Ben Horowitz joins the board. The round follows a heavy exodus of senior leadership since 2023 — including the Otter CEO, the CFO, the 9th employee, and general managers across the Americas, Korea, and EMEA.

  1. John Liu in LA (Co-Founder @ Stealth)

    1. Role: 9th FTE & General Manager, US/Canada @ Atoms (5.5 yrs)

    2. Other Experience: Product & Growth @ Invisible (acq by Perplexity), Advisor @ Dadi (acq by Ro), 5th FTE & Uber Eats @ Uber, M&A Investment Banking @ Deutsche Bank, Wharton BS

    3. Description: Stealth since 2/26

  2. Sal Javed in NYC (Co-Founder @ Stealth)

    1. Role: CFO & Strategic Finance Director @ Atoms (4.5 yrs)

    2. Other Experience: CFO @ Pietra, CFO @ Reshop, Analyst @ Allen & Company, USC BS Business Administration

    3. Description: "Building something new" since 4/26

  3. Ashvin Kumar in Atlanta (Potential Founder)

    1. Role: CEO, Otter @ Atoms (1.5 yrs)

    2. Other Experience: VP @ Affirm, Co-Founder & CEO @ Tophatter ($70M+ from August Capital, Goodwater, CRV; $1.5B+ GMV), Co-Founder & CEO @ Blippy, VP of Engineering @ Affinity Circles, Stanford BS CS

    3. Description: Left Otter 1/26; advisory roles only

  4. En Yu in LA (Co-Founder & CTO @ Stealth)

    1. Role: Head of Engineering, APAC @ Atoms (6 yrs)

    2. Other Experience: Engineering Leadership @ Uber, Senior SWE @ Microsoft, SWE @ Epic Systems, Miami University MS CS

    3. Description: "Autonomy solution at the intersection of robotics, simulation, software infra, and GenAI + Physical AI"

  5. Fasil Mulatu Kero in LA (Founder & CEO @ Stealth)

    1. Role: Engineering Department Manager, Material Flow & Packaging @ Atoms (1 yr)

    2. Other Experience: EVP Manufacturing @ Mach Industries, Co-Founder, CTO & COO @ SBG Industry (acquired), Director Manufacturing Engineering @ Rivian, Advanced Manufacturing Engineer @ Apple, Staff Manufacturing Engineer @ Tesla, Georgia Tech BS ME

    3. Description: Stealth since 9/25

    4. Contact: [email protected]

  6. Daniel Cohen-Arcamone in LA (Co-Founder & CEO @ Stealth)

    1. Role: Chief of Staff, CloudKitchens @ Atoms (3 yrs)

    2. Other Experience: Early Stage Ops & Growth Executive @ DCA Enterprises, Growth & Product Management @ Uber Freight, Senior Operations Manager @ Medpricer, Associate @ BCG, Michigan BA

    3. Description: "AI-driven sales infrastructure — rethinking how outbound systems are built, scaled, and optimized"

Colossal Biosciences, the de-extinction company, is in talks to raise at a $20B–$30B valuation (up from $10.2B in early 2025), per Axios.

  1. Eriona Hysolli in NYC (Stealth)

    1. Role: Head of Biological Sciences @ Colossal Biosciences (3.5 yrs)

    2. Other Experience: Co-Founder @ Manhattan Genomics, Postdoctoral Researcher @ Harvard Medical School, Yale PhD Genetics

    3. Description: Stealth since 3/26

  2. Peter Phillips in US (Stealth)

    1. Role: Co-Founder & CBO @ Colossal Biosciences (2 yrs)

    2. Other Experience: COO @ GIPHY ($150M from LSVP, Lerer Hippeau —> acq by Facebook), EVP/GM @ Marvel Entertainment, VP Product @ Fandango

    3. Description: "Building at the intersection of AI x entertainment"

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