Twelve Investors

18 investors on Angel Roster list Twelve in their portfolio. Most are venture capital firms and private equity firms, the most common stage is Seed and the largest groups are based in the United States, Singapore and Switzerland.

Investors are matched on the company name in their portfolio, so companies that share the name Twelve can appear together.

Investors listed
18
With verified email
44%
Most common stage
Seed
Top location
United States

Updated October 13, 2026 · How we compile this data

Top 18 Twelve investors

The most complete profiles first. Showing 18 of 18.

  • Brian AtwoodVerified

    Venture Capital, Investor · United States

    SeedHealth CareGeneticsCybersecurityWomen Founded

    Portfolio: Black Diamond Therapeutics, Kyras Therapeutics, CRISPR Therapeutics, Aligos Therapeutics and 63 more

    Verified email available

  • Brian HalakVerified

    Venture Capital, Private Equity Firm, Investor · United States

    SeedHealth CareWellnessWomen FoundedLife Science

    Portfolio: Epic Sciences, Colorescience, Esperion Therapeutics, Astute Medical and 61 more

    Verified email available

  • Jeff SchlosserVerified

    Venture Capital, Investor · United States

    SeedPre-SeedHealth CareWomen FoundedLife ScienceArtificial Intelligence (AI)

    Portfolio: Bicycle Therapeutics, Moximed, Kona Medical, Palleon Pharmaceuticals and 12 more

    Contact details available

  • Sahil ChopraVerified

    Venture Capital, Private Equity Firm, Investor · United States

    SeedPre-SeedHealth CareWomen FoundedLife ScienceArtificial Intelligence (AI)

    Portfolio: Bicycle Therapeutics, Moximed, Kona Medical, Palleon Pharmaceuticals and 12 more

    Verified email available

  • YohVerified

    Venture Capital, Investor · Singapore

    SeedPre-SeedHealth CareWomen FoundedLife ScienceArtificial Intelligence (AI)

    Portfolio: Bicycle Therapeutics, Moximed, Kona Medical, Palleon Pharmaceuticals and 13 more

    Verified email available

  • Alexander MaywegVerified

    Venture Capital, Private Equity Firm · Switzerland

    Health CareGeneticsWomen FoundedLife Science

    Portfolio: Black Diamond Therapeutics, Kyras Therapeutics, CRISPR Therapeutics, Aligos Therapeutics and 58 more

    Verified email available

  • Carolyn NgVerified

    Venture Capital · Singapore

    Health CareWomen FoundedLife ScienceArtificial Intelligence (AI)

    Portfolio: Bicycle Therapeutics, Moximed, Kona Medical, Palleon Pharmaceuticals and 12 more

    Verified email available

  • Eckard WeberVerified

    Venture Capital · United States

    Health CareWellnessWomen FoundedLife Science

    Portfolio: Epic Sciences, Colorescience, Esperion Therapeutics, Astute Medical and 53 more

    Verified email available

  • Jim BlairVerified

    Venture Capital · United States

    Health CareWellnessWomen FoundedLife Science

    Portfolio: Epic Sciences, Colorescience, Esperion Therapeutics, Astute Medical and 53 more

    Verified email available

  • Carlo Rizzuto

    Venture Capital, Investor · United States

    SeedHealth CareGeneticsWomen FoundedLife Science

    Portfolio: Black Diamond Therapeutics, Kyras Therapeutics, CRISPR Therapeutics, Aligos Therapeutics and 60 more

    Contact details available

  • Charles Warden

    Venture Capital, Investor · United States

    SeedHealth CareGeneticsWomen FoundedLife Science

    Portfolio: Black Diamond Therapeutics, Kyras Therapeutics, CRISPR Therapeutics, Aligos Therapeutics and 61 more

    Contact details available

  • Jesse Treu

    Venture Capital, Founder, Investor · United States

    SeedHealth CareWellnessWomen FoundedLife Science

    Portfolio: Epic Sciences, Colorescience, Esperion Therapeutics, Astute Medical and 55 more

    Contact details available

  • Ross Jaffe

    Venture Capital, Investor · United States

    Series BHealth CareGeneticsWomen FoundedLife Science

    Portfolio: Black Diamond Therapeutics, Kyras Therapeutics, CRISPR Therapeutics, Aligos Therapeutics and 59 more

    Contact details available

  • Shawn Fu, M.D.

    Venture Capital, Investor · United States

    SeedPre-SeedHealth CareWomen FoundedLife ScienceArtificial Intelligence (AI)

    Portfolio: Bicycle Therapeutics, Moximed, Kona Medical, Palleon Pharmaceuticals and 12 more

    Contact details available

  • Beckie Robertson

    Venture Capital, Private Equity Firm · United States

    Health CareGeneticsWomen FoundedLife Science

    Portfolio: Black Diamond Therapeutics, Kyras Therapeutics, CRISPR Therapeutics, Aligos Therapeutics and 58 more

    Contact details available

  • Bill Link

    Venture Capital, Private Equity Firm · United States

    Health CareGeneticsWomen FoundedLife Science

    Portfolio: Black Diamond Therapeutics, Kyras Therapeutics, CRISPR Therapeutics, Aligos Therapeutics and 58 more

    Contact details available

  • Don Milder

    Venture Capital, Private Equity Firm · United States

    Health CareGeneticsWomen FoundedLife Science

    Portfolio: Black Diamond Therapeutics, Kyras Therapeutics, CRISPR Therapeutics, Aligos Therapeutics and 58 more

    Contact details available

  • Paul Grayson

    Venture Capital · United States

    Health CareGeneticsWomen FoundedLife Science

    Portfolio: Black Diamond Therapeutics, Kyras Therapeutics, CRISPR Therapeutics, Aligos Therapeutics and 58 more

    Contact details available

Frequently asked questions

How many Twelve investors are on Angel Roster?

Angel Roster lists 18 Twelve investors. 8 of them (44%) include a verified email address.

What types of investors are they?

The most common investor types are Venture Capital Firms (18), Private Equity Firms (6) and Founder-Investors (1). An investor can have more than one type, for example an angel who is also a venture partner.

Which stages do Twelve investors invest in?

Among those that list a stage, the most common are Seed (9), Pre-Seed (4) and Series B (1).

Where are Twelve investors based?

Most are based in the United States (15), Singapore (2) and Switzerland (1).

Which companies have Twelve investors backed?

The most-backed portfolio companies among them are Ivantis (14), Nuvaira (14), Zyga Technology (13), Sebacia (13) and Benvenue Medical (13).

How do I contact Twelve investors?

Create a free Angel Roster account to search and filter all 18, then unlock verified emails and LinkedIn profiles on a paid plan. Every plan starts with a 3-day free trial.