People · Operator

JOHN SULLIVAN

Named in public records as an officer, director or promoter · active 2010–2026 · Other Energy, Investment Vehicle, Other, Other Health Care, Biotechnology

13
Companies
20
Filings
$515.7M
Combined raised · real
Serial
Operator type
Companies
CompanyRoleSectorStageRaised · realValue · estTied
Gradient Resources Inc.Other EnergySeries D+$388.8M$120.5M2010
Isun, Inc.Other EnergySeries B$37.3M$17.7M2021
SIQ Holdings I LPInvestment VehicleSeries B$23.1M$383.7M2020
Next Energy Technologies, Inc.Other EnergySeries A$21.6M$45.9M2021
Mean Girls Broadway, LLCOtherSeries B$17.3M$287.2M2017
Bobs Discount Furniture Holdings I LLCOtherSeries A$15.3M$151.3M2011
Vesiflo, Inc.Other Health CareSeed$5.4M$3.1M2017
Fresenius Medical Care Indian Hills, LLCOther Health CareSeed$2.7M$65.8M2011
Mean Girls Stage Development, LLCOtherSeed$1.8M$33.5M2017
Mean Girls London Us Ltd Liability CoOtherSeed$1.3M$5.8M2024
CHEESE FRIES UK TOUR Ltd LIABILITY CoOtherPre-Seed$366K$723K2026
Javelin Capital Markets, LLCOtherPre-Seed$353K$8.2M2015
PARTURA Medical, Inc.BiotechnologyPre-Seed$280K$15.5M2017
Operator network

JOHN SULLIVAN 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.

Richard Cohen · 8 companies · 1 sharedRichard CohenMichael Hamilton · 5 companies · 1 sharedMichael HamiltonDavid Lloyd · 4 companies · 1 sharedDavid LloydFred Buckman · 3 companies · 1 sharedFred BuckmanAdam Carte · 2 companies · 1 sharedAdam CarteMichael d'Amato · 3 companies · 1 sharedMichael d'AmatoBarbara L. Burns · 56 companies · 1 sharedBarbara L. BurnsSteven E. DeCillis, II · 45 companies · 1 sharedSteven E. DeCilli…Thomas J. Pryma · 6 companies · 1 sharedThomas J. PrymaJ. Louis Sharpe · 3 companies · 1 sharedJ. Louis SharpeKelly Schuller · 2 companies · 2 sharedKelly SchullerAndy Cohen · 6 companies · 1 sharedAndy CohenTheresa Jester · 3 companies · 1 sharedTheresa JesterChristopher K Reilly · 4 companies · 1 sharedChristopher K Rei…ROBERT KAUFMAN · 4 companies · 1 sharedROBERT KAUFMANCHRISTOPHER REILLY · 3 companies · 1 sharedCHRISTOPHER REILLYHOWARD KATZ · 3 companies · 1 sharedHOWARD KATZJOHN MEGRUE · 3 companies · 1 sharedJOHN MEGRUEHoward Groudan · 2 companies · 2 sharedHoward GroudanLorne Michaels · 2 companies · 2 sharedLorne MichaelsJoseph Ruma · 47 companies · 1 sharedJoseph RumaJanice Sitzlar · 3 companies · 1 sharedJanice SitzlarGradient Resources Inc. · $388.8M raisedGradient Resources In…Isun, Inc. · $37.3M raisedIsun, Inc.SIQ Holdings I LP · $23.1M raisedSIQ Holdings I LPNext Energy Technologies, Inc. · $21.6M raisedNext Energy Technolog…Mean Girls Broadway, LLC · $17.3M raisedMean Girls Broadway, …Bobs Discount Furniture Holdings I LLC · $15.3M raisedBobs Discount Furnitu…Vesiflo, Inc. · $5.4M raisedVesiflo, Inc.Fresenius Medical Care Indian Hills, LLC · $2.7M raisedFresenius Medical Car…Mean Girls Stage Development, LLC · $1.8M raisedMean Girls Stage Deve…Mean Girls London Us Ltd Liability Co · $1.3M raisedMean Girls London Us …CHEESE FRIES UK TOUR Ltd LIABILITY Co · $0.4M raisedCHEESE FRIES UK TOUR …Javelin Capital Markets, LLC · $0.4M raisedJavelin Capital Marke…PARTURA Medical, Inc. · $0.3M raisedPARTURA Medical, Inc.JOHN SULLIVANJS
JOHN SULLIVAN Company Co-operator (ring = serial)Hover to isolate ties · click to open
Co-operators (shared boards)

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

OperatorSharedTheir companies
Kelly Schuller22
Howard Groudan22
Lorne Michaels22
Barbara L. Burns156
Joseph Ruma147
Steven E. DeCillis, II145
Richard Cohen18
Thomas J. Pryma16
Andy Cohen16
Michael Hamilton15
Christopher K Reilly14
David Lloyd14
ROBERT KAUFMAN14
Theresa Jester13
Michael d'Amato13
HOWARD KATZ13
JOHN MEGRUE13
CHRISTOPHER REILLY13
Fred Buckman13
J. Louis Sharpe13

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.