People · Operator

Gregory O'Brien

Named in public records as an officer, director or promoter · active 2010–2020 · Other Technology

2
Companies
6
Filings
$21.9M
Combined raised · real
Serial
Operator type
Companies
CompanyRoleSectorStageRaised · realValue · estTied
PayVeris, LLCOther TechnologySeries A$19.6M$22.1M2011
Fortress Risk Management, LLCOther TechnologySeed$2.3M$35.1M2010
Operator network

Gregory O'Brien 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.

Peter Longo · 8 companies · 1 sharedPeter LongoHoward Mergelkamp · 4 companies · 1 sharedHoward MergelkampNICHOLAS CAYER · 4 companies · 1 sharedNICHOLAS CAYERBergamesca Ron · 1 companies · 1 sharedBergamesca RonDaniel J. Consigi · 1 companies · 1 sharedDaniel J. ConsigiDave Dame · 1 companies · 1 sharedDave DameFrancis Duggan · 1 companies · 1 sharedFrancis DugganGregory OBrien · 1 companies · 1 sharedGregory OBrienHoward J. Mergelkamp · 1 companies · 1 sharedHoward J. Mergelk…Howar Mergelkamp · 1 companies · 1 sharedHowar MergelkampLouis Hernandez, Jr. · 1 companies · 1 sharedLouis Hernandez, …Nicholas J. Cayer · 1 companies · 1 sharedNicholas J. CayerRaju J. Shivdasani · 1 companies · 1 sharedRaju J. ShivdasaniVictor Budnick · 5 companies · 2 sharedVictor BudnickDavid Dame · 4 companies · 2 sharedDavid DameDouglas Anderson · 4 companies · 2 sharedDouglas AndersonKENNETH SAUNDERS · 3 companies · 2 sharedKENNETH SAUNDERSLouis Hernandez · 3 companies · 2 sharedLouis HernandezSamuel McKay · 2 companies · 2 sharedSamuel McKayTimothy Greenfield · 2 companies · 2 sharedTimothy GreenfieldDavid Mitchell · 6 companies · 1 sharedDavid MitchellJohn Frederick · 3 companies · 1 sharedJohn FrederickPayVeris, LLC · $19.6M raisedPayVeris, LLCFortress Risk Management, LLC · $2.3M raisedFortress Risk Managem…Gregory O'BrienGO
Gregory O'Brien Company Co-operator (ring = serial)Hover to isolate ties · click to open
Co-operators (shared boards)

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

OperatorSharedTheir companies
Victor Budnick25
David Dame24
Douglas Anderson24
KENNETH SAUNDERS23
Louis Hernandez23
Timothy Greenfield22
Samuel McKay22
Peter Longo18
David Mitchell16
NICHOLAS CAYER14
Howard Mergelkamp14
John Frederick13
Daniel J. Consigi11
Ron J. Bergamesca11
Howard J. Mergelkamp11
Nicholas J. Cayer11
Raju J. Shivdasani11
Ray Seefeldt11
Francis Duggan11
Louis Hernandez, Jr.11

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.