People · Operator

Bill Leonard

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

1
Companies
1
Filings
$50.6M
Combined raised · real
Single
Operator type
Companies
CompanyRoleSectorStageRaised · realValue · estTied
Greenbrook TMS Inc.Other Health CareSeries B$50.6M$187.1M2022
Operator network

Bill Leonard 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.

Adele Oliva · 9 companies · 1 sharedAdele OlivaRobert Higgins · 7 companies · 1 sharedRobert HigginsAdrienne Graves · 6 companies · 1 sharedAdrienne GravesAdele C. Oliva · 5 companies · 1 sharedAdele C. OlivaWilliam Leonard · 5 companies · 1 sharedWilliam LeonardElias Vamvakas · 3 companies · 1 sharedElias VamvakasBrian Burke · 2 companies · 1 sharedBrian BurkeBrian P Burke · 2 companies · 1 sharedBrian P BurkeFrank Tworecke · 2 companies · 1 sharedFrank TworeckeSasha Cucuz · 2 companies · 1 sharedSasha CucuzAdrienne P. Graves · 1 companies · 1 sharedAdrienne P. GravesBenjamin Klein · 1 companies · 1 sharedBenjamin KleinColleen Campbell · 1 companies · 1 sharedColleen CampbellColleen P. Campbell · 1 companies · 1 sharedColleen P. Campbe…Diana B. Shi · 1 companies · 1 sharedDiana B. ShiDiana C. Shi · 1 companies · 1 sharedDiana C. ShiDiana Shi · 1 companies · 1 sharedDiana ShiEdwin B. Cordell Jr. · 1 companies · 1 sharedEdwin B. Cordell …Erns B. Loubser · 1 companies · 1 sharedErns B. LoubserErns Loubser · 1 companies · 1 sharedErns LoubserEuphia Hsu Smith · 1 companies · 1 sharedEuphia Hsu SmithEuphia Smith · 1 companies · 1 sharedEuphia SmithGreenbrook TMS Inc. · $50.6M raisedGreenbrook TMS Inc.Bill LeonardBL
Bill Leonard Company Co-operator (ring = serial)Hover to isolate ties · click to open
Co-operators (shared boards)

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

OperatorSharedTheir companies
Adele Oliva19
Robert Higgins17
Adrienne Graves16
William Leonard15
Adele C. Oliva15
Elias Vamvakas13
Sasha Cucuz12
Frank Tworecke12
Brian Burke12
Brian P Burke12
Diana B. Shi11
Frank P. Tworecke11
Euphia Hsu Smith11
Erns B. Loubser11
Sasha P. Cucuz11
Colleen P. Campbell11
Roberto P. Drassinower11
Edwin B. Cordell Jr.11
Adrienne P. Graves11
Geoffrey P. Grammer11

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.