Today’s Top Talent Pools

Opal Security, an SF-based identity security and access management startup, raised $23M. Greylock and Battery Ventures led, joined by Cambium Capital.

  1. Josh Chen in NYC (Stealth)

    1. Role: CPO & Head of Platform Eng @ Opal (1.5 yrs)

    2. Other Experience: Co-Founder @ Basis ($133M from a16z, Lightspeed, Bain Capital, GV, Druckenmiller), ML Engineer @ Merantix, Quant Strategies @ D.E. Shaw, Princeton BS CS

    3. Description: "AI agent and productivity tool"

    4. Contact: GitHub

  2. Naseem Al-Naji in SF (Co-Founder @ MCPcat)

    1. Role: Co-Founder & CEO @ Opal (3 yrs)

    2. Other Experience: Co-Founder @ Pearl, Eng Manager @ Expanse, SWE @ MuleSoft, UC Berkeley BS EECS

    3. Description: "User analytics and live debugging for MCPs"

  3. Andrew Sy in SF (Co-Founder & CEO @ Polymorph)

    1. Role: Tech Lead & NY Site Lead @ Opal (2.5 yrs)

    2. Other Experience: ML Infra Engineer @ Scale AI, SWE @ Meta, SWE Intern @ Palantir, Northeastern BS CS + Math

    3. Description: "Agents that A/B test and experiment at scale"

    4. Funding: Backed by YCombinator (W26).

  4. Jan Hellmich in NYC (Potential Founder)

    1. Role: CTO @ Opal (2 yrs)

    2. Other Experience: Sr SWE @ Brex, SWE @ Dropbox

    3. Description: Left Opal 9/23

Lassie, a six-year-old San Francisco startup that develops AI software to automate administrative work for dental practices, raised a $35 million Series A round at an approximately $250 million post-money valuation. The deal was led by Andreessen Horowitz, with Night Capital, Gokul Rajaram, and Dr. Edward Zuckerberg also participating. Upstarts has more here.

  1. Jeffrey Tang in SF (Potential Founder)

    1. Role: Founding Engineer @ Lassie (3 yrs)

    2. Other Experience: AI Product Engineer @ Brain Co, SWE @ Ramp, Quant Trader @ IMC Trading, SWE @ Citadel Securities, SWE @ Citadel

    3. Description: Left Brain Co. 3/26

    4. Contact: Site, [email protected]

Zyphra, a six-year-old San Francisco startup that develops open-weight AI models and cloud infrastructure services, is raising a $500M Series B at a $5B+ valuation, with AMD expected to participate.

  1. Kamil Rocki in Los Gatos (Stealth)

    1. Role: VP Engineering @ Zyphra (3 yrs)

    2. Other Experience: Head of Performance @ Stability AI, cuSOLVER Tech Lead @ NVIDIA, SWE Brain-Machine Interfaces @ Neuralink, MTS @ Cerebras Systems, Research Scientist @ IBM Research AI, U of Tokyo PhD CS

    3. Description: Stealth since 2026

  2. Patricio "Pato" Echagüe in SF (Potential Founder)

    1. Role: VP of Engineering @ Zyphra (<1 yr)

    2. Other Experience: Co-Founder & CTO @ Split Software (acq by Harness), VP Engineering @ Harness, Founding Engineer @ RelateIQ (acq by Salesforce), SWE @ Google

    3. Description: Member @ South Park Commons since 5/26. "Thinking about the next play"

    4. Contact: Twitter

Leapfin, a San Mateo-based financial data automation platform, was acquired by Airwallex. Previously raised $20M+ from Crosslink Capital, Artisan Venture Capital, Uncorrelated, Work-Bench, and Counterpart.

  1. Christopher K. in SF (Stealth)

    1. Role: VP Sales @ Leapfin (2.5 yrs)

    2. Other Experience: Co-Founder & CEO @ Numeral ($4M seed from Bienville Capital)

    3. Description: Stealth since 10/25

  2. Oleksandr Fedorov in SF (Co-Founder @ Ten8.ai)

    1. Role: Director of Engineering @ Leapfin (1 yr)

    2. Other Experience: CTO @ Kaya AI, CTO @ Automateco AI, SEM @ People.ai, TL @ Indeed, TL @ Google

    3. Description: "Voice-AI infrastructure for freight and logistics"

    4. Contact: [email protected]

Supabase, an SF-based provider of open-source backend tools for building AI apps, raised $500M at a $10.5B valuation. GIC led, joined by Accel, YC, Craft Ventures, Felicis, Peak XV, Coatue, and Stripe.

  1. Long Hoang in SF / Singapore (Founder @ Martini)

    1. Role: SWE @ Supabase (3 yrs)

    2. Other Experience: Fellow @ Entrepreneur First, Co-Founder & CTO @ FireVisor Systems ($740K from 500 Startups, SGInnovate)

    3. Description: "3D collaborative film making tool."

    4. Funding: Backed by YC (W26).

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