People · Operator

John Mullen, M.D.

Named in public records as an officer, director or promoter · active 2026–2026 · Medical Devices

1
Companies
1
Filings
$2.1M
Combined raised · real
Single
Operator type
Companies
CompanyRoleSectorStageRaised · realValue · estTied
Western Connecticut Orthopedic Surgical Center, LLCMedical DevicesPre-Seed$2.1M$276K2026
Operator network

John Mullen, M.D. 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 L. Sharff, Jr. · 72 companies · 1 sharedRichard L. Sharff…Colleen Lochamy · 5 companies · 1 sharedColleen LochamyMichael Brand · 4 companies · 1 sharedMichael BrandPaul Abbate · 4 companies · 1 sharedPaul AbbateBrian Nicholls · 3 companies · 1 sharedBrian NichollsLarry Trenk · 3 companies · 1 sharedLarry TrenkSap Sinha · 3 companies · 1 sharedSap SinhaSharon Adams · 3 companies · 1 sharedSharon AdamsKara Gaughan · 2 companies · 1 sharedKara GaughanBryan Breen · 1 companies · 1 sharedBryan BreenJoseph DiGiovanni · 1 companies · 1 sharedJoseph DiGiovanniMichael Brand, MD · 1 companies · 1 sharedMichael Brand, MDRoss Henshaw · 1 companies · 1 sharedRoss HenshawRoss Henshaw, MD · 1 companies · 1 sharedRoss Henshaw, MDStacey Taylor · 1 companies · 1 sharedStacey TaylorWestern Connecticut Orthopedic Surgical Center, LLC · $2.1M raisedWestern Connecticut O…John Mullen, M.D.JM
John Mullen, M.D. Company Co-operator (ring = serial)Hover to isolate ties · click to open
Co-operators (shared boards)

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

OperatorSharedTheir companies
Richard L. Sharff, Jr.172
Colleen Lochamy15
Michael Brand14
Paul Abbate14
Larry Trenk13
Sharon Adams13
Sap Sinha13
Brian Nicholls13
Kara Gaughan12
Joseph DiGiovanni11
Bryan Breen11
Stacey Taylor11
Ross Henshaw11
Ross Henshaw, MD11
Michael Brand, MD11

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.