People · Operator

Donald Williams

Named in public records as an officer, director or promoter · active 2017–2024 · Biotechnology, Other Health Care, Pharmaceuticals

4
Companies
12
Filings
$451.0M
Combined raised · real
Serial
Operator type
Companies
CompanyRoleSectorStageRaised · realValue · estTied
Akari Therapeutics PlcBiotechnologySeries C$140.5M$34.0M2019
Alphatec Holdings, Inc.Other Health CareSeries C$133.7M$608.3M2017
Tocagen IncPharmaceuticalsSeries C$119.5M$301.0M2023
Palisade Bio, Inc.BiotechnologySeries B$57.3M$30.4M2023
Operator network

Donald Williams at the center, the companies they're named on, and every other operator named alongside them — an interlock map of shared founding teams, boards and funds. Name-matched, so treat as a research lead.

David Sidransky · 7 companies · 1 sharedDavid SidranskyHoyoung Huh · 7 companies · 1 sharedHoyoung HuhSamir Patel · 7 companies · 1 sharedSamir PatelJAMES HILL · 6 companies · 1 sharedJAMES HILLMARK COHEN · 5 companies · 1 sharedMARK COHENWendy DiCicco · 4 companies · 1 sharedWendy DiCiccoYuval Cohen · 4 companies · 1 sharedYuval CohenDOV ELEFANT · 3 companies · 1 sharedDOV ELEFANTJohnson Lau · 3 companies · 1 sharedJohnson LauJohn Foster · 10 companies · 1 sharedJohn FosterJames L.L. Tullis · 6 companies · 1 sharedJames L.L. TullisJohn H. Foster · 4 companies · 1 sharedJohn H. FosterDavid H. Mowry · 3 companies · 1 sharedDavid H. MowryJeffrey G. Black · 3 companies · 1 sharedJeffrey G. BlackLeslie Cross · 3 companies · 1 sharedLeslie CrossMichael Plunkett · 3 companies · 1 sharedMichael PlunkettFranklin M. Berger · 4 companies · 1 sharedFranklin M. BergerDAVID GRYSKA · 3 companies · 1 sharedDAVID GRYSKAKenneth Carter · 6 companies · 1 sharedKenneth CarterScott Ogilvie · 4 companies · 1 sharedScott OgilvieCatherine Sohn · 3 companies · 1 sharedCatherine SohnDavid Mazzo · 3 companies · 1 sharedDavid MazzoAkari Therapeutics Plc · $140.5M raisedAkari Therapeutics PlcAlphatec Holdings, Inc. · $133.7M raisedAlphatec Holdings, In…Tocagen Inc · $119.5M raisedTocagen IncPalisade Bio, Inc. · $57.3M raisedPalisade Bio, Inc.Donald WilliamsDW
Donald Williams Company Co-operator (ring = serial)Hover to isolate ties · click to open
Co-operators (shared boards)

People named alongside Donald Williams on the same companies — an interlock signal (shared founding team, board, or fund). Name-matched, so verify before acting.

OperatorSharedTheir companies
John Foster110
Hoyoung Huh17
David Sidransky17
Samir Patel17
Kenneth Carter16
JAMES HILL16
James L.L. Tullis16
MARK COHEN15
John H. Foster14
Scott Ogilvie14
Yuval Cohen14
Wendy DiCicco14
Franklin M. Berger14
Richard Daly13
Johnson Lau13
David H. Mowry13
DAVID GRYSKA13
Catherine Sohn13
Jeffrey G. Black13
DOV ELEFANT13

People are matched by normalized name across records; a common name may merge distinct individuals. Treat as a research lead, the same way modeled valuations are directional, not quoted.