People · Operator

Brian Fazal Callahan

Named in public records as an officer, director or promoter · active 2022–2022 · Other Technology

1
Companies
1
Filings
$25.8M
Combined raised · real
Single
Operator type
Companies
CompanyRoleSectorStageRaised · realValue · estTied
Nammu21, Inc.Other TechnologySeries B$25.8M$59.2M2022
Operator network

Brian Fazal Callahan 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.

Lawrence Leibowitz · 3 companies · 1 sharedLawrence LeibowitzBrian Callahan · 2 companies · 1 sharedBrian CallahanGregory Carson · 2 companies · 1 sharedGregory CarsonGreg Fazal Carson · 1 companies · 1 sharedGreg Fazal CarsonLawrence Fazal Leibowitz · 1 companies · 1 sharedLawrence Fazal Le…Someera Fazal Khokhar · 1 companies · 1 sharedSomeera Fazal Kho…Someera Khokhar · 1 companies · 1 sharedSomeera KhokharNammu21, Inc. · $25.8M raisedNammu21, Inc.Brian Fazal CallahanBC
Brian Fazal Callahan Company Co-operator (ring = serial)Hover to isolate ties · click to open
Co-operators (shared boards)

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

OperatorSharedTheir companies
Lawrence Leibowitz13
Gregory Carson12
Brian Callahan12
Someera Khokhar11
Someera Fazal Khokhar11
Lawrence Fazal Leibowitz11
Greg Fazal Carson11

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.