This Week’s Top Founders

Suno, a Cambridge-based AI music generation platform, raised $250M in Series C funding at a $2.45B valuation led by Menlo Ventures with NVentures (NVIDIA), Lightspeed, and Matrix. Hit $200M in annual revenue.

  1. Keenan Freyberg in Seattle (Potential Founder)

    1. Role: Co-Founder & COO @ Suno (3 yrs)

    2. Other Experience: Head of Strategic Initiatives @ Kensho Technologies

    3. Description: Left Suno 1/25

Sierra, the AI agent startup co-founded by OpenAI Chairman Bret Taylor and former Google VP Clay Bavor, raised $950M in Series E funding led by Tiger Global and GV at a $15.8B post-money valuation, with participation from Benchmark, Sequoia, and Greenoaks. Sierra hit $100M ARR in under 2 years and counts 40%+ of the Fortune 50 as customers.

  1. Noah Shinn in SF (Potential Founder)

    1. Role: Early Team & Research Scientist @ Sierra (2.5 yrs)

    2. Description: Left Sierra on 9/25

    3. Contact: Site

  2. Alexandra Kissel in SF (Potential Founder)

    1. Role: SWE @ Sierra (<1 yr)

    2. Other Experience: Founder & CEO @ Rubber Ducky Labs (YC W23), SPC Member, CMU BS CS

    3. Description: Left Sierra 2025

  3. Jonathan Yin in SF (Potential Founder)

    1. Role: Agent Engineer @ Sierra (1 yr)

    2. Other Experience: Co-Founder @ Lifelike (YC S23), ML Researcher @ Broad Institute (NeurIPS oral), Yale BS CS & Stats

    3. Description: Left Sierra 4/26

Enter, a Brazilian legal tech startup, raised $100M at a $1.2B valuation. Founders Fund led, joined by Sequoia Capital and Ribbit Capital. First AI unicorn in Latin America.

  1. Israel Saba in São Paulo (Stealth)

    1. Role: Co-Founder & Lead AI Ops Engineer @ Enter (2 yrs)

    2. Other Experience: PM @ Basement, Cambridge MBA

    3. Description: Stealth since 4/25

    4. Contact: [email protected]

  2. Nicole Grossmann in NYC (Potential Founder)

    1. Role: Founding Team & AI Deployment @ Enter (1.5 yrs)

    2. Other Experience: Georgia Tech MS CS, Columbia BA Applied Math

    3. Description: Left Enter 9/25

  3. Mateus Nobre in São Paulo (Founder & CEO @ Nobre Labs)

    1. Role: Founding Team & AI Engineer @ Enter (1.5 yrs)

    2. Other Experience: Founder & CTO @ Jumpstart Finance (scaled to $200K MRR)

    3. Description: "Automating white-collar work with a fleet of AI Agents"

Iterative Health, a clinical trial infrastructure startup, raised $77M in Series C funding. Intrepid Growth Partners and GV led, joined by EDBI, Insight Partners, and Obvious Ventures.

  1. Clive Saha in SF (Potential Founder)

    1. Role: Principal Software Engineer @ Iterative Health (4 yrs)

    2. Other Experience: Early Team & Chief Software Architect @ Komodo Health ($500M from A16Z, Tiger, Coatue), Sr SWE @ Google, Cornell MEng EE & BE CS

    3. Description: Left Iterative Health 3/26

  2. Brice Wu in San Diego (Co-Founder & CCO @ Tafel Labs)

    1. Role: CPO @ Iterative Health (1 yr)

    2. Other Experience: CRO @ Airframe, CTO @ Komodo Health ($500M from A16Z, Tiger, Coatue), Berkeley MS, Cornell BS Materials Science

    3. Description: “The definitive ground truth on battery cells.”

Corgi, an SF-based insurer for startups (YC S24), raised $160M in Series B funding at a $1.3B valuation. TCV led, joined by Oliver Jung, Leblon Capital, Kindred Ventures, Repeat VC, and others. Scaled from 10 to 100+ employees with eight-figure revenue.

  1. Bernie Margulies in SF (CEO @ American Compute)

    1. Role: Chief of Staff @ Corgi (<1 yr)

    2. Other Experience: Sr Investment Associate @ Wavemaker Partners, Description: "GPU financing and residual value underwriting"

    3. Contact: [email protected]

  2. Brenden Reeves in SF (COO @ American Compute)

    1. Role: Founding Engineer @ Corgi (<1 yr)

    2. Description:"GPU financing and residual value underwriting"

    3. Contact: [email protected]

  3. Illia Kasian in SF (CTO @ American Compute)

    1. Role: Founding Engineer @ Corgi (1 yr)

    2. Other Experience: Co-Founder @ Goodsend, CTO & Co-Founder @ Matcha

    3. Description: "GPU financing and residual value underwriting"

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