People · Operator

Stephen Johnson

Named in public records as an officer, director or promoter · active 2009–2024 · Other Energy, Other Technology, Investment Vehicle, Other

5
Companies
6
Filings
$44.5M
Combined raised · real
Serial
Operator type
Companies
CompanyRoleSectorStageRaised · realValue · estTied
Ener-Core, Inc.Other EnergySeries A$31.0M$4.2M2014
Optifreeze LLCOther TechnologySeries A$12.0M$332.9M2009
Parti Pris Investment Partners, Inc.Investment VehiclePre-Seed$750K$2.6M2024
Certify, LLCOther TechnologyPre-Seed$625K$13.8M2013
Tullman Sports International CorpOtherPre-Seed$125K$2.9M2011
Operator network

Stephen Johnson 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.

Christopher Brown · 16 companies · 1 sharedChristopher BrownChristopher J. Brown · 9 companies · 1 sharedChristopher J. Br…Michael J. Hammons · 5 companies · 1 sharedMichael J. HammonsKelly Anderson · 4 companies · 1 sharedKelly AndersonMichael Hammons · 4 companies · 1 sharedMichael HammonsStephen L. Johnson · 3 companies · 1 sharedStephen L. JohnsonAlain Castro · 2 companies · 1 sharedAlain CastroBennet P. Tchaikovsky · 2 companies · 1 sharedBennet P. Tchaiko…Bennet Tchaikovsky · 2 companies · 1 sharedBennet TchaikovskyDomonic Carney · 2 companies · 1 sharedDomonic CarneyJames M. Thorburn · 2 companies · 1 sharedJames M. ThorburnAlain J. Castro · 1 companies · 1 sharedAlain J. CastroVincenzo La Ruffa · 3 companies · 1 sharedVincenzo La RuffaGary Offner · 2 companies · 1 sharedGary OffnerPaul Lisiak · 2 companies · 1 sharedPaul LisiakRobert Newhouse · 2 companies · 1 sharedRobert NewhouseJoseph Smith · 7 companies · 1 sharedJoseph SmithChristopher Stewart · 2 companies · 1 sharedChristopher Stewa…John Bailey · 5 companies · 1 sharedJohn BaileyRobert Neveu · 2 companies · 1 sharedRobert NeveuWilliam Benedict · 2 companies · 1 sharedWilliam BenedictAlan Neveu · 1 companies · 1 sharedAlan NeveuEner-Core, Inc. · $31.0M raisedEner-Core, Inc.Optifreeze LLC · $12.0M raisedOptifreeze LLCParti Pris Investment Partners, Inc. · $0.8M raisedParti Pris Investment…Certify, LLC · $0.6M raisedCertify, LLCTullman Sports International Corp · $0.1M raisedTullman Sports Intern…Stephen JohnsonSJ
Stephen Johnson Company Co-operator (ring = serial)Hover to isolate ties · click to open
Co-operators (shared boards)

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

OperatorSharedTheir companies
Christopher Brown116
Christopher J. Brown19
Joseph Smith17
Michael J. Hammons15
John Bailey15
Michael Hammons14
Kelly Anderson14
Stephen L. Johnson13
Vincenzo La Ruffa13
Alain Castro12
Bennet Tchaikovsky12
William Benedict12
Robert Neveu12
Bennet P. Tchaikovsky12
Christopher Stewart12
Paul Lisiak12
Domonic Carney12
James M. Thorburn12
Gary Offner12
Robert Newhouse12

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.