People · Operator

Peter Justin Klein

Named in public records as an officer, director or promoter · active 2009–2024 · Other Technology, Other Health Care, Biotechnology

7
Companies
21
Filings
$781.2M
Combined raised · real
Serial
Operator type
Companies
CompanyRoleSectorStageRaised · realValue · estTied
Cleerly, Inc.Other TechnologySeries D+$274.9M$535.8M2022
Vertiflex, Inc.Other Health CareSeries C$134.1M$1.0B2010
ChromaCode, Inc.BiotechnologySeries B$94.2M$21.4M2017
VytronUS IncOther Health CareSeries B$91.1M$664.6M2009
Intact Vascular, Inc.Other Health CareSeries B$86.8M$299.1M2020
Senseonics, IncBiotechnologySeries B$60.8M$396.9M2014
Senseonics Holdings, Inc.BiotechnologySeries B$39.3M$98.9M2020
Operator network

Peter Justin Klein 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.

Douglas A. Roeder · 4 companies · 2 sharedDouglas A. RoederStephen P. DeFalco · 3 companies · 2 sharedStephen P. DeFalcoTimothy T. Goodnow · 2 companies · 2 sharedTimothy T. GoodnowWord D. Peake · 5 companies · 1 sharedWord D. PeakeWord D. Peake III · 4 companies · 1 sharedWord D. Peake IIIMartin J. Waters · 9 companies · 1 sharedMartin J. WatersPaul Klingenstein · 6 companies · 1 sharedPaul KlingensteinGuy Nohra · 5 companies · 1 sharedGuy NohraPeter Klein · 5 companies · 1 sharedPeter KleinJames C. Blair · 8 companies · 1 sharedJames C. BlairJustin Klein · 6 companies · 1 sharedJustin KleinMark McDonough · 5 companies · 1 sharedMark McDonoughJohn Nehra · 11 companies · 1 sharedJohn NehraRoy Tanaka · 6 companies · 1 sharedRoy TanakaJohn Pavlidis · 4 companies · 1 sharedJohn PavlidisA. Jay Graf · 3 companies · 1 sharedA. Jay GrafP. Sherrill Neff · 8 companies · 1 sharedP. Sherrill NeffKatherine D. Crothall · 5 companies · 1 sharedKatherine D. Crot…Bruce J. Shook · 3 companies · 1 sharedBruce J. ShookCarol A. Burns · 3 companies · 1 sharedCarol A. BurnsDENNIS W. WAHR · 3 companies · 1 sharedDENNIS W. WAHRM. James Barrett · 6 companies · 1 sharedM. James BarrettCleerly, Inc. · $274.9M raisedCleerly, Inc.Vertiflex, Inc. · $134.1M raisedVertiflex, Inc.ChromaCode, Inc. · $94.2M raisedChromaCode, Inc.VytronUS Inc · $91.1M raisedVytronUS IncIntact Vascular, Inc. · $86.8M raisedIntact Vascular, Inc.Senseonics, Inc · $60.8M raisedSenseonics, IncSenseonics Holdings, Inc. · $39.3M raisedSenseonics Holdings, …Peter Justin KleinPK
Peter Justin Klein Company Co-operator (ring = serial)Hover to isolate ties · click to open
Co-operators (shared boards)

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

OperatorSharedTheir companies
Douglas A. Roeder24
Stephen P. DeFalco23
Timothy T. Goodnow22
John Nehra111
Martin J. Waters19
James C. Blair18
P. Sherrill Neff18
Roy Tanaka16
Justin Klein16
M. James Barrett16
Paul Klingenstein16
Word D. Peake15
Katherine D. Crothall15
Peter Klein15
Mark McDonough15
Guy Nohra15
Word D. Peake III14
John Pavlidis14
A. Jay Graf13
John Maroney13

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.