People · Operator

William F. Willis

Named in public records as an officer, director or promoter · active 2010–2021 · Other Health Care, Biotechnology

2
Companies
8
Filings
$156.3M
Combined raised · real
Serial
Operator type
Companies
CompanyRoleSectorStageRaised · realValue · estTied
iRhythm Technologies, Inc.Other Health CareSeries B$118.6M$605.8M2010
Yor Labs, Inc.BiotechnologySeries B$37.7M$167.2M2020
Operator network

William F. Willis 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.

William N. Starling · 5 companies · 1 sharedWilliam N. Starli…Shelly D. Guyer · 3 companies · 1 sharedShelly D. GuyerUday N. Kumar · 3 companies · 1 sharedUday N. KumarCasper E. De Clercq · 2 companies · 1 sharedCasper E. De Cler…Joshua L. Green · 2 companies · 1 sharedJoshua L. GreenUday Kumar · 2 companies · 1 sharedUday KumarCasper L. De Clercq · 1 companies · 1 sharedCasper L. De Cler…Chris E. Grant · 1 companies · 1 sharedChris E. GrantMichael Goldberg · 11 companies · 2 sharedMichael GoldbergWilliam Starling · 4 companies · 2 sharedWilliam StarlingMichael D. Goldberg · 3 companies · 2 sharedMichael D. Goldbe…William Willis · 3 companies · 2 sharedWilliam WillisKirk Gerner · 4 companies · 1 sharedKirk GernerBill Willis · 3 companies · 1 sharedBill WillisWilliam N. Starling, Jr. · 3 companies · 1 sharedWilliam N. Starli…Glen W. McLaughlin · 2 companies · 1 sharedGlen W. McLaughlinTimothy A. Marcotte · 2 companies · 1 sharedTimothy A. Marcot…Anshumali D. Roy · 1 companies · 1 sharedAnshumali D. RoyANSHUMALI ROY · 1 companies · 1 sharedANSHUMALI ROYCLARK BROOKS · 1 companies · 1 sharedCLARK BROOKSCLARK F BROOKS · 1 companies · 1 sharedCLARK F BROOKSGLEN MCLAUGHLIN · 1 companies · 1 sharedGLEN MCLAUGHLINiRhythm Technologies, Inc. · $118.6M raisediRhythm Technologies,…Yor Labs, Inc. · $37.7M raisedYor Labs, Inc.William F. WillisWW
William F. Willis Company Co-operator (ring = serial)Hover to isolate ties · click to open
Co-operators (shared boards)

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

OperatorSharedTheir companies
Michael Goldberg211
William Starling24
Michael D. Goldberg23
William Willis23
William N. Starling15
Kirk Gerner14
Bill Willis13
Uday N. Kumar13
Shelly D. Guyer13
William N. Starling, Jr.13
Joshua L. Green12
Glen W. McLaughlin12
Timothy A. Marcotte12
Uday Kumar12
Casper E. De Clercq12
Sam E. Brasch11
R. Hardwin R. Mead11
Vijay N. Lathi11
Steve E. Johnson11
Judith N. Lenane11

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.