Jeb Keiper, Founder of Nimbus Therapeutics

About Jeb Keiper

Jeb Keiper is the former Chief Executive Officer of Nimbus Therapeutics, a biotechnology company he helped build from 2014 to 2025. He helped raise over $600M and advanced four medicines into late clinical development. He currently serves as a Biotech Board Director and Venture Partner at Third Rock Ventures.

Jeb Keiper at a glance

• Company: Nimbus Therapeutics
• Total raised: $600M
• Latest round: Series B
• Investors: Atlas Venture, SR One, Lilly Ventures, Pfizer Venture Investments, Lightstone Ventures, Schrödinger
• Location: Boston, MA

More founders in Boston, MA (44)

• Simeon Schindelman — Bright Health Group
• Greg Mesch — CityFibre
• Randall Stevens — Centrexion Therapeutics
• Peter Candelaria — Silicon Ranch
• Cole Gahagan — Learfield
• Tracy Murphy — IQHQ
• Rahul Ballal — Mediar Therapeutics
• Weiliang Chen — MetaX
• Torstein Hagen — Viking Cruises
• Ross Shuster — Copeland
• Sander Daniels — Thumbtack
• David Merin — The Ether Machine
• Tom Hogan — Perficient
• Jorgen Hansen — Ivenix
• Fredrik Landahl — Fortum
• Vlad Yatsenko — Revolut
• Bahram Akradi — Life Time
• Ajay Yekkirala — Superluminal Medicines
• Changlin Liang — Dingdong Maicai
• Annand Jagesar — Staatsolie
• Henrik Henriksson — H2 Green Steel
• Karl Iagnemma — Motional
• Mike Mikan — Neuehealth
• Stephan Scholl — Alight Solutions
• Tariq Meyers — Untapped
• Ricardo Lobo — Beontag
• Luca Ferrari — Bending Spoons
• Forest hill — Tenglong Holding Group
• Ray Tabibiazar — SalioGen Therapeutics
• Greg Sullivan — Carnival Corporation
• Michael Mackey — Everest Infrastructure Partners
• Jarl Dahlfors — Anticimex AB
• Rushika Fernandopulle — Iora Health
• Daniel Kaplan — Storskogen
• Roni Al-Dor — Sapiens International Corporation
• Alan Lee — Gaw Capital Partners
• Ewit Roos — PhotonDelta
• Chema Cosculluela — Vitalia Home
• Eric Kim — Techlabs
• Trevor Hardy — BlueWave
• Shunsuke Onishi — iQPS
• Hans Bishop — Grail
• Drena Kusari — Lyft
• Carolyn Magill — Aetion

Browse related founder lists (6)

• Founders in Boston, MA
• Founders backed by Atlas Venture
• Founders backed by SR One
• Founders backed by Lilly Ventures
• Founders backed by Pfizer Venture Investments
• Founders who raised $50M+

Full founder directory · Investor directory · Company funding database · Fundraising library