People · Operator

David Brewster

Named in public records as an officer, director or promoter · active 2010–2025 · Business Services, Other Technology

3
Companies
6
Filings
$62.5M
Combined raised · real
Serial
Operator type
Companies
CompanyRoleSectorStageRaised · realValue · estTied
Syso LlcBusiness ServicesSeries A$27.5M$21.3M2025
EnergyHub, Inc.Other TechnologySeries B$25.7M$15.2M2010
Paxata, Inc.Other TechnologySeries A$9.3M$215.9M2012
Operator network

David Brewster 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.

Christopher Gosline · 1 companies · 1 sharedChristopher Gosli…Henry Makansi · 1 companies · 1 sharedHenry MakansiHenry Makanski · 1 companies · 1 sharedHenry MakanskiJoseph Byrnes · 1 companies · 1 sharedJoseph ByrnesNicholas Speyer · 1 companies · 1 sharedNicholas SpeyerPatrick Fox · 1 companies · 1 sharedPatrick FoxPatrick McConnell · 1 companies · 1 sharedPatrick McConnellPo Cheng · 1 companies · 1 sharedPo ChengSamantha Judge · 1 companies · 1 sharedSamantha JudgeSheri Edmond · 1 companies · 1 sharedSheri EdmondWouter Van Eck · 1 companies · 1 sharedWouter Van EckLiam Donohue · 12 companies · 1 sharedLiam DonohueAndrew Williamson · 6 companies · 1 sharedAndrew WilliamsonTHOMAS KENNEDY · 5 companies · 1 sharedTHOMAS KENNEDYSeth Frader-Thompson · 1 companies · 1 sharedSeth Frader-Thomp…Dinesh Katiyar · 5 companies · 1 sharedDinesh KatiyarPrakasa Nanduri · 1 companies · 1 sharedPrakasa NanduriSyso Llc · $27.5M raisedSyso LlcEnergyHub, Inc. · $25.7M raisedEnergyHub, Inc.Paxata, Inc. · $9.3M raisedPaxata, Inc.David BrewsterDB
David Brewster Company Co-operator (ring = serial)Hover to isolate ties · click to open
Co-operators (shared boards)

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

OperatorSharedTheir companies
Liam Donohue112
Andrew Williamson16
Dinesh Katiyar15
THOMAS KENNEDY15
Po Cheng11
Nicholas Speyer11
Samantha Judge11
Henry Makanski11
Joseph Byrnes11
Christopher Gosline11
Henry Makansi11
Sheri Edmond11
Patrick McConnell11
Seth Frader-Thompson11
Prakasa Nanduri11
Patrick Fox11
Wouter Van Eck11

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.