Stephen Hoffman

Active Investor

Board of Directors at Implicit Bioscience

San Mateo, California

Stephen Hoffman, Board of Directors at Implicit Bioscience is an active investor based in San Mateo, California. This profile covers what Stephen Hoffman backs, at which stage, and how founders can reach out in 2026.

Dr. Stephen Hoffman serves as Board Member at Talphera. Dr. Hoffman is an Angel Investor. He Co-Founded and served as Managing Partner at Trekk Venture Partners. He served as a Board Member at Receptor. He served as a Board Member at Danforth Advisors and Palleon Pharmaceuticals. Dr. Hoffman has served as Chief Executive Officer and Director of Aerpio Pharmaceuticals, Inc. since December 2017. Earlier, he had been a Senior Advisor to PDL BioPharma, Inc. since February 2014. Earlier, he served as a managing director at Skyline Ventures, a venture capital firm, from May 2007 until February 2014. From January 2003 to March 2007, Dr. Hoffman was a general partner at TVM Capital, a venture capital firm. From 1994 to 2012, he served as President, Chief Executive Officer, and Director of Allos Therapeutics, a biopharmaceutical company; and served as Chairman of the Board from 2002 until its acquisition by Spectrum Pharmaceuticals in 2012. He served as Chairman at Apic Bio. He currently serves on the board of directors of Dicerna Pharmaceuticals, Inc. and Palleon Pharmaceuticals, Inc. Dr. Hoffman holds a Ph.D. in chemistry from Northwestern University and an M.D. from the University of Colorado, School of Medicine.

Investor type: Angel
Stages: Early Stage Venture
Invests in: Healthcare & BiotechBiotech & PharmaSaaS & EnterpriseIoT & Connected Devices
Location: San Mateo, California
Typical check: $500K
Past investments: 16

Notable investments

Concert PharmaceuticalsAllos TherapeuticsDicerna PharmaceuticalsProteon TherapeuticsPionyr ImmunotherapeuticsKAI PharmaceuticalsPalleon PharmaceuticalsAcelRx Pharmaceuticals, Inc.Collegium PharmaceuticalGenocea BiosciencesPDL BioPharmaBYOMass, Inc.

How to reach Stephen Hoffman

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Frequently Asked Questions

What does Stephen Hoffman invest in?

Stephen Hoffman invests in Healthcare & Biotech, Biotech & Pharma, SaaS & Enterprise and IoT & Connected Devices, typically at Early Stage Venture. Match your sector and stage, then reach out with a personalized pitch.