People · Operator

Mark B. Duffy

Named in public records as an officer, director or promoter · active 2014–2014 · Telecommunications

1
Companies
1
Filings
$4.4M
Combined raised · real
Single
Operator type
Companies
CompanyRoleSectorStageRaised · realValue · estTied
Moontoast, Inc.TelecommunicationsSeed$4.4M$37.0M2014
Operator network

Mark B. Duffy 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.

Blair Heavey · 3 companies · 1 sharedBlair HeaveyTony Simpson · 3 companies · 1 sharedTony SimpsonG. Edward Cassady · 2 companies · 1 sharedG. Edward CassadyJoseph Glaser · 2 companies · 1 sharedJoseph GlaserLeslie B. Wilkinson, Jr. · 2 companies · 1 sharedLeslie B. Wilkins…Marcus B. Whitney · 2 companies · 1 sharedMarcus B. WhitneyStephen Edward Collins · 2 companies · 1 sharedStephen Edward Co…Howard B. Greene · 1 companies · 1 sharedHoward B. GreeneJohn B. Pearce · 1 companies · 1 sharedJohn B. PearceMoontoast, Inc. · $4.4M raisedMoontoast, Inc.Mark B. DuffyMD
Mark B. Duffy Company Co-operator (ring = serial)Hover to isolate ties · click to open
Co-operators (shared boards)

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

OperatorSharedTheir companies
Tony Simpson13
Blair Heavey13
Leslie B. Wilkinson, Jr.12
G. Edward Cassady12
Joseph Glaser12
Stephen Edward Collins12
Marcus B. Whitney12
Howard B. Greene11
John B. Pearce11

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.