People · Operator

Lawrence Leibowitz

Named in public records as an officer, director or promoter · active 2018–2025 · Other, Other Technology

3
Companies
8
Filings
$95.7M
Combined raised · real
Serial
Operator type
Companies
CompanyRoleSectorStageRaised · realValue · estTied
Xpansiv LtdOtherSeries C$43.2M$740.7M2020
Crux Informatics, Inc.Other TechnologySeries B$26.7M$812.5M2018
Nammu21, Inc.Other TechnologySeries B$25.8M$59.2M2025
Operator network

Lawrence Leibowitz 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.

David Hayes · 7 companies · 1 sharedDavid HayesJohn Klinck · 4 companies · 1 sharedJohn KlinckJack Klinck · 3 companies · 1 sharedJack KlinckJoe Madden · 2 companies · 1 sharedJoe MaddenMichael M Goldstein · 2 companies · 1 sharedMichael M Goldste…William J. Stewart · 2 companies · 1 sharedWilliam J. StewartAlexander M Lue · 1 companies · 1 sharedAlexander M LueAndrew M Pisano · 1 companies · 1 sharedAndrew M PisanoAndy M Bose · 1 companies · 1 sharedAndy M BoseBenjamin M Stuart · 1 companies · 1 sharedBenjamin M StuartBilal M Khan · 1 companies · 1 sharedBilal M KhanChad M Bown · 1 companies · 1 sharedChad M BownErika M Crandall · 1 companies · 1 sharedErika M CrandallEvan M Ard · 1 companies · 1 sharedEvan M ArdFrancis M McAnally · 1 companies · 1 sharedFrancis M McAnallyDarren Cohen · 2 companies · 1 sharedDarren CohenAli-Milan Nekmouche · 1 companies · 1 sharedAli-Milan Nekmouc…Andrew Janian · 1 companies · 1 sharedAndrew JanianBruce Macurda · 1 companies · 1 sharedBruce MacurdaBrian Callahan · 2 companies · 1 sharedBrian CallahanGregory Carson · 2 companies · 1 sharedGregory CarsonBrian Fazal Callahan · 1 companies · 1 sharedBrian Fazal Calla…Xpansiv Ltd · $43.2M raisedXpansiv LtdCrux Informatics, Inc. · $26.7M raisedCrux Informatics, Inc.Nammu21, Inc. · $25.8M raisedNammu21, Inc.Lawrence LeibowitzLL
Lawrence Leibowitz Company Co-operator (ring = serial)Hover to isolate ties · click to open
Co-operators (shared boards)

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

OperatorSharedTheir companies
David Hayes17
John Klinck14
Jack Klinck13
Brian Callahan12
Michael M Goldstein12
William J. Stewart12
Gregory Carson12
Darren Cohen12
Joe Madden12
Evan M Ard11
Henrik M Hasselknippe11
Joseph Madden11
Someera Fazal Khokhar11
Nathan M Rockliff11
Erika M Crandall11
Francis M McAnally11
Greg Fazal Carson11
Alexander M Lue11
Benjamin M Stuart11
Jean M Rogers11

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.