People · Operator

John Castle

Named in public records as an officer, director or promoter · active 2010–2017 · Other Energy, Other, Other Technology

4
Companies
10
Filings
$199.2M
Combined raised · real
Serial
Operator type
Companies
CompanyRoleSectorStageRaised · realValue · estTied
Aventine Renewable Energy Holdings IncOther EnergySeries D+$193.4M$1.4M2012
Cadence Biomedical, Inc.OtherSeed$2.9M$1.9M2011
Get Me, LLCOther TechnologySeed$2.3M$17.0M2016
Empowering Engineering Technologies, Corp.Other TechnologyPre-Seed$595K$13.2M2010
Operator network

John Castle 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.

Eugene Davis · 6 companies · 1 sharedEugene DavisJames Continenza · 2 companies · 1 sharedJames ContinenzaKip Horton · 2 companies · 1 sharedKip HortonTimothy Bernlohr · 2 companies · 1 sharedTimothy BernlohrBrian Steenhand · 1 companies · 1 sharedBrian SteenhandBrian Steenhard · 1 companies · 1 sharedBrian SteenhardCalvin Stewart · 1 companies · 1 sharedCalvin StewartChris Nichols · 1 companies · 1 sharedChris NicholsChristopher A. Nichols · 1 companies · 1 sharedChristopher A. Ni…Continenza James · 1 companies · 1 sharedContinenza JamesDennis A. Alt · 1 companies · 1 sharedDennis A. AltDennis Alt · 1 companies · 1 sharedDennis AltEric A. Hakmiller · 1 companies · 1 sharedEric A. HakmillerBarry Hix · 2 companies · 1 sharedBarry HixDavid Caro · 2 companies · 1 sharedDavid CaroChie Kawahara · 1 companies · 1 sharedChie KawaharaDonna Jang · 1 companies · 1 sharedDonna JangBrian Glaister · 2 companies · 2 sharedBrian GlaisterGeorge Saul · 2 companies · 2 sharedGeorge SaulMichael Hovanes · 2 companies · 2 sharedMichael HovanesDerek Dunlop · 2 companies · 1 sharedDerek DunlopMichael Gaubert · 2 companies · 1 sharedMichael GaubertAventine Renewable Energy Holdings Inc · $193.4M raisedAventine Renewable En…Cadence Biomedical, Inc. · $2.9M raisedCadence Biomedical, I…Get Me, LLC · $2.3M raisedGet Me, LLCEmpowering Engineering Technologies, Corp. · $0.6M raisedEmpowering Engineerin…John CastleJC
John Castle Company Co-operator (ring = serial)Hover to isolate ties · click to open
Co-operators (shared boards)

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

OperatorSharedTheir companies
Michael Hovanes22
George Saul22
Brian Glaister22
Eugene Davis16
Barry Hix12
David Caro12
Derek Dunlop12
James Continenza12
Michael Gaubert12
Kip Horton12
Timothy Bernlohr12
Calvin Stewart11
Continenza James11
Jonathan Laramy11
Chie Kawahara11
Jason Schoen11
Donna Jang11
Jason Pacanowsky11
Rob Lewis11
Trey White11

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.