People · Operator

William R. Sellers

Named in public records as an officer, director or promoter · active 2021–2022 · Biotechnology

2
Companies
2
Filings
$357.5M
Combined raised · real
Serial
Operator type
Companies
CompanyRoleSectorStageRaised · realValue · estTied
bluebird bio, Inc.BiotechnologySeries C$187.5M$1.9B2021
2seventy bio, Inc.BiotechnologySeries D+$170.0M$4.0B2022
Operator network

William R. Sellers 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.

Steven Gillis · 23 companies · 1 sharedSteven GillisRobert Tepper · 7 companies · 1 sharedRobert TepperDaniel S. Lynch · 6 companies · 1 sharedDaniel S. LynchChip Baird · 4 companies · 1 sharedChip BairdJames A. Geraghty · 3 companies · 1 sharedJames A. GeraghtyGeert-Jan Mulder · 2 companies · 1 sharedGeert-Jan MulderAxel Polack · 1 companies · 1 sharedAxel PolackGeert-Jan A. Mulder · 1 companies · 1 sharedGeert-Jan A. Muld…Jason Cole · 1 companies · 1 sharedJason ColeJeffrey T. Walsh · 1 companies · 1 sharedJeffrey T. WalshJohn M. Maraganore · 1 companies · 1 sharedJohn M. MaraganoreJohn S. Agwunobi · 1 companies · 1 sharedJohn S. AgwunobiMark R. Vachon · 1 companies · 1 sharedMark R. VachonNick S. Leschly · 1 companies · 1 sharedNick S. LeschlyNick Leschly · 5 companies · 2 sharedNick LeschlyDenice R. Torres · 2 companies · 2 sharedDenice R. TorresWilliam D. Baird · 2 companies · 1 sharedWilliam D. BairdDaniel D. Lynch · 1 companies · 1 sharedDaniel D. LynchMarcela V. Maus · 1 companies · 1 sharedMarcela V. MausNicola Heffron · 1 companies · 1 sharedNicola HeffronPhilip D. Gregory · 1 companies · 1 sharedPhilip D. GregoryRamy R. Ibrahim · 1 companies · 1 sharedRamy R. Ibrahimbluebird bio, Inc. · $187.5M raisedbluebird bio, Inc.2seventy bio, Inc. · $170.0M raised2seventy bio, Inc.William R. SellersWS
William R. Sellers Company Co-operator (ring = serial)Hover to isolate ties · click to open
Co-operators (shared boards)

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

OperatorSharedTheir companies
Nick Leschly25
Denice R. Torres22
Steven Gillis123
Robert Tepper17
Daniel S. Lynch16
Chip Baird14
James A. Geraghty13
Geert-Jan Mulder12
William D. Baird12
Daniel D. Lynch11
Nicola Heffron11
Ramy S. Ibrahim11
Jason Cole11
Mark R. Vachon11
John S. Agwunobi11
Nick S. Leschly11
Wendy S. Dixon11
Geert-Jan A. Mulder11
Axel Polack11
Jeffrey T. Walsh11

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.