People · Operator

William Grieco

Named in public records as an officer, director or promoter · active 2013–2025 · Other Technology, Other Health Care

2
Companies
5
Filings
$94.8M
Combined raised · real
Serial
Operator type
Companies
CompanyRoleSectorStageRaised · realValue · estTied
Accelsius Holdings LLCOther TechnologySeries C$65.6M$415.5M2022
Echo Therapeutics, Inc.Other Health CareSeries A$29.2M$36.1M2013
Operator network

William Grieco 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.

Gregory Haskell · 3 companies · 1 sharedGregory HaskellDr. Richard Bonner · 2 companies · 1 sharedDr. Richard BonnerJohn Hewitt · 2 companies · 1 sharedJohn HewittColin Scott · 1 companies · 1 sharedColin ScottDino Foderaro · 1 companies · 1 sharedDino FoderaroJosh Claman · 1 companies · 1 sharedJosh ClamanRobert Langer · 36 companies · 1 sharedRobert LangerJames Smith · 20 companies · 1 sharedJames SmithJames F. Smith · 5 companies · 1 sharedJames F. SmithPATRICK MOONEY · 4 companies · 1 sharedPATRICK MOONEYWalter Witoshkin · 4 companies · 1 sharedWalter WitoshkinPatrick T. Mooney · 3 companies · 1 sharedPatrick T. MooneyCHRISTOPHER SCHNITTKER · 2 companies · 1 sharedCHRISTOPHER SCHNI…Elazer R Edelman · 2 companies · 1 sharedElazer R EdelmanMichael M. Goldberg · 2 companies · 1 sharedMichael M. Goldbe…Robert Doman · 2 companies · 1 sharedRobert DomanShawn K. Singh · 2 companies · 1 sharedShawn K. SinghSHAWN SINGH · 2 companies · 1 sharedSHAWN SINGHAlan W. Schoenbart · 1 companies · 1 sharedAlan W. SchoenbartHARRY G. MITCHELL · 1 companies · 1 sharedHARRY G. MITCHELLHARRY MITCHELL · 1 companies · 1 sharedHARRY MITCHELLKimberly Burke · 1 companies · 1 sharedKimberly BurkeAccelsius Holdings LLC · $65.6M raisedAccelsius Holdings LLCEcho Therapeutics, Inc. · $29.2M raisedEcho Therapeutics, In…William GriecoWG
William Grieco Company Co-operator (ring = serial)Hover to isolate ties · click to open
Co-operators (shared boards)

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

OperatorSharedTheir companies
Robert Langer136
James Smith120
James F. Smith15
PATRICK MOONEY14
Walter Witoshkin14
Patrick T. Mooney13
Gregory Haskell13
Dr. Richard Bonner12
Michael M. Goldberg12
Elazer R Edelman12
John Hewitt12
SHAWN SINGH12
CHRISTOPHER SCHNITTKER12
Shawn K. Singh12
Robert Doman12
WILLIAM F. GRIECO11
HARRY G. MITCHELL11
HARRY MITCHELL11
VINCENT ENRIGHT11
Dino Foderaro11

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.