People
Signal profile Robert Nelsen VCInvestorAngel Co-founder and a Managing Director of ARCH Venture Partners archventure.com/team/robert-t...New York, New York He also advises Magnetic Ventures, according to its current team directory. Serves as Co-Founder and Board Chair at Paradigm Health, according to its current team directory.
- Current affiliation
- ARCH Venture Partners · Managing Director
- Investment range
- $50K – $150M
- Sweet spot
- $75M
- Investments on record
- 98
Investments
| $190M2026-08 | LifeMine Therapeutics | Robert Nelsen |
| $110M2026-06 | Trase | Robert Nelsen |
| $100M2026-06 | City Therapeutics | Ari Nowacek, Robert Nelsen |
| $78M2025-12 | Paradigm | Robert Nelsen, Justin Kao, Hemant Taneja, Elena Viboch |
| $53M2025-12 | SciNeuro | Robert Nelsen |
| $200M2025-11 | Synchron | Ari Nowacek, Robert Nelsen, Alex Morgan |
| $220M2025-07 | Dispatch Bio | Robert Nelsen, Steven Gillis |
| $92M2025-01 | Be Biopharma | Robert Nelsen, Steven Gillis |
| $82M2024-10 | Be Biopharma | Robert Nelsen, Steven Gillis |
| $140M2024-10 | City Therapeutics | Ari Nowacek, Robert Nelsen |
| $21M2024-06 | Vilya | Robert Nelsen, Steven Gillis |
| $80M2024-06 | Stability AI | Robert Nelsen, Eric Schmidt |
| $33M2024-05 | Gameto | Robert Nelsen |
| $100M2024-04 | Seaport Therapeutics | Robert Nelsen |
| $1B2024-04 | Xaira Therapeutics | Robert Nelsen, Roelof Botha |
| $57M2024-01 | Moonwalk Biosciences | Robert Nelsen, Anthony Philippakis |
| $47M2023-04 | Recuro Health | Robert Nelsen |
| $190M2023-02 | Aera Therapeutics | Robert Nelsen |
| $—2023-02 | Aera Therapeutics | Robert Nelsen |
| $30M2023-01 | Akamis Bio | Robert Nelsen |
| $200M2023-01 | Paradigm | Robert Nelsen, Jay Markowitz, Hemant Taneja, Elena Viboch |
| $75M2022-12 | Synchron | Ari Nowacek, Robert Nelsen |
| $26M2022-10 | Katalyst | Robert Nelsen |
| $32M2022-09 | Rippl Care | Robert Nelsen |
| $50M2022-08 | Homeward | Robert Nelsen, Hemant Taneja |
| $50M2022-08 | Vilya | Robert Nelsen, Steven Gillis |
| $130M2022-04 | Be Biopharma | Robert Nelsen, Steven Gillis |
| $60M2022-03 | Colossal Biosciences | Robert Nelsen, Milad Alucozai |
| $170M2022-03 | Nutcracker Therapeutics | Robert Nelsen |
| $—2022-03 | Recuro Health | Robert Nelsen |
| $180M2022-03 | LifeMine Therapeutics | Robert Nelsen |
| $20M2022-01 | Gameto | Robert Nelsen |
| $400M2021-10 | Neumora Therapeutics | Robert Nelsen, Kristina Burow |
| $270M2021-08 | Sonoma Biotherapeutics | Robert Nelsen |
| $15M2021-08 | Recuro Health | Robert Nelsen |
| $205M2021-07-29 |  Neuralink | Vy Capital, Founders Fund, DFJ Growth, GV, Time BioVentures, Craft Ventures, Valor Equity Partners, Gigafund, Robert Nelsen, Blake Byers, Sam Altman, Fred Ehrsam, Ken Howery |
| $200M2021-07 | Prime Medicine | Robert Nelsen |
| $210M2021-07 | Neuralink | Robert Nelsen |
| $140M2021-04 | Jaguar Gene Therapy | Robert Nelsen |
| $400M2021-03 | Insitro | Robert Nelsen, Jay Markowitz |
| $100M2020-12 | SciNeuro | Robert Nelsen |
| $750M2020-11 | Resilience | Robert Nelsen |
| $30M2020-09 | Sonoma Biotherapeutics | Robert Nelsen |
| $60M2020-09 | Nutcracker Therapeutics | Robert Nelsen |
| $140M2020-05 | Insitro | Robert Nelsen, Jay Markowitz |
| $40M2020-02 | Sonoma Biotherapeutics | Robert Nelsen |
| $120M2019-10 | Prime Medicine | Robert Nelsen |
| $2M2019-06 | Gali Health | Robert Nelsen |
| $68M2019-03 | Karuna Therapeutics | Robert Nelsen |
| $42M2018-08 | Karuna Therapeutics | Robert Nelsen |
| $4M2018-06 | Wisdo Health | Robert Nelsen |
| $260M2018-05 | Brii Biosciences | Robert Nelsen |
| $100M2018-05 | Insitro | Robert Nelsen |
| $120M2018-03 | Hua Medicine | Robert Nelsen |
| $70M2017-09 | LifeMine Therapeutics | Robert Nelsen |
| $35M2017-08 | UNITY Biotechnology | Robert Nelsen |
| $1.2B2017-03 | Grail | Robert Nelsen |
| $150M2017-01 | Vir Biotechnology | Robert Nelsen, Kristina Burow |
| $20M2016-12 | Elysium | Robert Nelsen, David Fialkow |
| $120M2016-10 | UNITY Biotechnology | Robert Nelsen |
| $130M2016-08 | Denali Therapeutics | Robert Nelsen |
| $50M2016-04 | Hua Medicine | Robert Nelsen |
| $8M2016-01 | VICIS | Robert Nelsen |
| $100M2016-01 | Grail | Robert Nelsen |
| $13M2015-10 | Pioneer Square Labs | Robert Nelsen |
| $36M2015-07 | Arivale | Robert Nelsen |
| $220M2015-05 | Denali Therapeutics | Robert Nelsen |
| $25M2015-01 | Hua Medicine | Robert Nelsen |
| $130M2014-08 | Juno Therapeutics | Robert Nelsen |
| $330K2014-07 | OOTU | Robert Nelsen |
| $38M2014-03 | SAGE Therapeutics | Robert Nelsen |
| $120M2013-12 | Juno Therapeutics | Robert Nelsen |
| $20M2013-10 | SAGE Therapeutics | Robert Nelsen |
| $15M2012-11 | Nanosys | Robert Nelsen, Keith Crandell |
| $140M2012-04 | Sapphire Energy | Robert Nelsen |
| $78M2011-11 | Agios Pharmaceuticals | Robert Nelsen |
| $37M2011-09 | Kythera Biopharmaceuticals | Robert Nelsen |
| $50M2011-09 | Hua Medicine | Robert Nelsen |
| $36M2011-05 | Fate Therapeutics | Robert Nelsen |
| $12M2009-05 | Elixir Pharmaceuticals | Robert Nelsen |
| $35M2008-09 | Sapphire Energy | Robert Nelsen |
| $33M2008-07 | Agios Pharmaceuticals | Robert Nelsen |
| $30M2008-05 | Kythera Biopharmaceuticals | Robert Nelsen |
| $50M2008-05 | Sapphire Energy | Robert Nelsen |
| $15M2007-11 | Ensemble Discovery | Robert Nelsen |
| $12M2007-11 | Fate Therapeutics | Robert Nelsen |
| $1M2007-06 | Sapphire Energy | Robert Nelsen |
| $31M2006-11 | Elixir Pharmaceuticals | Robert Nelsen |
| $30M2006-07 | Kythera Biopharmaceuticals | Robert Nelsen |
| $55M2006-06 | VLST | Robert Nelsen |
| $42M2005-11 | Nanosys | Robert Nelsen, Keith Crandell |
| $15M2004-05 | Ensemble Discovery | Robert Nelsen |
| $41M2003-10 | Elixir Pharmaceuticals | Robert Nelsen |
| $38M2003-04 | Nanosys | Robert Nelsen, Keith Crandell |
| $44M2002-06 | Xenoport | Robert Nelsen |
| $15M2002-02 | Nanosys | Robert Nelsen, Keith Crandell |
| $2M2001-10 | Nanosys | Robert Nelsen, Keith Crandell |
| $16M2000-02 | Xenoport | Robert Nelsen |
Roles
ARCH Venture Partners
CurrentManaging Director
ARCH Venture Partners
CurrentCo-founder & Managing Director
City Therapeutics
CurrentBoard Director
Magnetic Ventures
CurrentAdvisor
Paradigm Health
CurrentCo-Founder and Board Chair
Altos Labs
CurrentBoard Director
Vaccine Company
CurrentBoard Director (2022 annual report filed 2024; historical)