Brook Byers
Partner at Kleiner Perkins
San Francisco Bay Area
Writes $100K – $25M checks · typically $8M
About
Brook Byers has worked as a venture capital investor since 1972, spending his career at Kleiner Perkins, where he is a founder. In 1984 he created the first life sciences practice group in the venture capital profession, steering the firm into healthcare and biotechnology. He has helped build more than 60 technology-based companies and served as founding president or chairman of four biotech companies incubated in Kleiner Perkins' offices that went public with an aggregate market value exceeding $8 billion. His current board work spans companies including Arsenal Bio, Octave Bio, Newsela and Verana Health, and he was a founder of TechNet.
Beyond investing
- Founded
- Was a founder of TechNet. Was founding president and then chairman of four biotechnology companies incubated in Kleiner Perkins' offices that became public companies with an aggregate market value of more than US$8 billion.
- Education
- Earned a bachelor's degree in electrical engineering from Georgia Tech. Received an M.B.A. from Stanford University.
- Boards
- Serves on the board of the Stanford Center for BioDesign. Is a Lifetime Board Member of the University of California San Francisco Medical Center. Served on the Board of Trustees of Stanford University. Served on the board of the Asian Art Museum in San Francisco. Served on the Georgia Tech Advisory Board.
- Awards
- Received an Honorary PhD from Georgia Tech.
- More
- Was raised in Atlanta, Georgia.
From Brook's own website — common ground for a warm intro.
Experience
- KPCBPartnercurrent1978 — present
Deals · 8
Octave Bioscience IncBoard seat
via Kleiner Perkins · filed Mar 2025 · $53.7M raise
Arsenal BiosciencesBoard seat
via Kleiner Perkins · filed Sep 2022 · $33M raise
GRAILBoard seat
via Kleiner Perkins · filed May 2018
EpiodyneBoard seat
via Kleiner Perkins · filed Nov 2017 · $10.1M raise
Cell Design LabsBoard seat
via Kleiner Perkins · filed Jun 2016 · $22.9M raise
Zephyr HealthBoard seat
via Kleiner Perkins · filed Aug 2015 · $20M raise
Enjoy TechnologyBoard seat
via Kleiner Perkins · filed Aug 2015 · $50M raise
Elcelyx TherapeuticsBoard seat
via Kleiner Perkins · filed Feb 2015 · $9M raise
Attribution from SEC filings, press coverage, and firm rosters.
Colleagues at Kleiner Perkins
Network14
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Investors connected to Brook in public investor directories — a warm-intro map.















