Fundraising Fox
John D. Diekman
InvestorFounding Partner at 5AM Ventures
Menlo Park, California
Writes $100K – $5M checks · typically $1.5M
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About
John Diekman, a Princeton- and Stanford-trained chemist, uniquely combines building platform biotech companies and investing—he led Affymetrix, ran Affymax, founded two venture firms, and chairs research institutions.
Contact· self-published, not guessed
Invests in
BiotechHealthtechMedical Devices
Deals · 2
Ideaya BiosciencesBoard seat
via 5AM Ventures · filed May 2018 · $94M raise
Igenica BiotherapeuticsBoard seat
via 5AM Ventures · filed Jan 2015 · $6.3M raise
Attribution from SEC filings, press coverage, and firm rosters.
Other disclosed investments
Investor
IgenicaPhaseRxPhenomix
Sources: SEC Form D filings · curated public sources.
Colleagues at 5AM Ventures
Network3
Investors connected to John in public investor directories — a warm-intro map.
Frequently asked questions
- Who is John D. Diekman?
- John Diekman, a Princeton- and Stanford-trained chemist, uniquely combines building platform biotech companies and investing—he led Affymetrix, ran Affymax, founded two venture firms, and chairs research institutions.
- Where does John D. Diekman work?
- John D. Diekman is Founding Partner at 5AM Ventures.
- What does John D. Diekman invest in?
- John D. Diekman invests in Biotech, Healthtech, Medical Devices.
- What check size does John D. Diekman write?
- John D. Diekman typically writes checks of $100K – $5M.
- What boards does John D. Diekman sit on?
- John D. Diekman holds tracked board seats at Ideaya Biosciences, Igenica Biotherapeutics.
- What companies has John D. Diekman invested in?
- Investments tracked here include Ideaya Biosciences, Igenica, PhaseRx, Phenomix.
About this profile. Compiled from public sources — 5AM Ventures's own website, regulatory filings and public professional profiles — and summarised by Fundraising Fox; every fact is kept with where it came from. Spotted an error, or would rather not be listed? Email privacy@fundraisingfox.com · How we build profiles · Your rights