People · Operator

Brian L. Campbell

Named in public records as an officer, director or promoter · active 2024–2024 · Other Technology

1
Companies
2
Filings
$269.8M
Combined raised · real
Single
Operator type
Companies
CompanyRoleSectorStageRaised · realValue · estTied
Observe, Inc.Other TechnologySeries D+$269.8M$1.1B2024
Operator network

Brian L. Campbell 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.

Michael L. Speiser · 9 companies · 1 sharedMichael L. SpeiserJohn McMahon · 7 companies · 1 sharedJohn McMahonJohn D. McMahon · 3 companies · 1 sharedJohn D. McMahonJeremy Burton · 2 companies · 1 sharedJeremy BurtonChristine L. Dorrion · 1 companies · 1 sharedChristine L. Dorr…Daniel L. Sturman · 1 companies · 1 sharedDaniel L. SturmanDustin L. Yelinek · 1 companies · 1 sharedDustin L. YelinekEric L. Rehm · 1 companies · 1 sharedEric L. RehmIrina L. Seals · 1 companies · 1 sharedIrina L. SealsJacob L. Leverich · 1 companies · 1 sharedJacob L. LeverichKeith L. Butler · 1 companies · 1 sharedKeith L. ButlerQi L. Jin · 1 companies · 1 sharedQi L. JinSahir Azam · 1 companies · 1 sharedSahir AzamSoma L. Somasegar · 1 companies · 1 sharedSoma L. SomasegarObserve, Inc. · $269.8M raisedObserve, Inc.Brian L. CampbellBC
Brian L. Campbell Company Co-operator (ring = serial)Hover to isolate ties · click to open
Co-operators (shared boards)

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

OperatorSharedTheir companies
Michael L. Speiser19
John McMahon17
John D. McMahon13
Jeremy Burton12
Sahir Azam11
Christine L. Dorrion11
Eric L. Rehm11
Irina L. Seals11
Jacob L. Leverich11
Soma L. Somasegar11
Keith L. Butler11
Qi L. Jin11
Dustin L. Yelinek11
Daniel L. Sturman11

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.