People · Operator

Brian A Johns

Named in public records as an officer, director or promoter · active 2020–2023 · Biotechnology

2
Companies
3
Filings
$55.5M
Combined raised · real
Serial
Operator type
Companies
CompanyRoleSectorStageRaised · realValue · estTied
Hemoshear Therapeutics, Inc.BiotechnologySeries C$46.6M$40.8M2021
Hemoshear Therapeutics, LlcBiotechnologySeries B$8.8M$90.5M2020
Operator network

Brian A Johns 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.

Aric Holsinger · 4 companies · 1 sharedAric HolsingerDavid A. Friedman · 2 companies · 1 sharedDavid A. FriedmanJohn L. Brooks · 2 companies · 1 sharedJohn L. BrooksBrian M Warmhoff · 1 companies · 1 sharedBrian M WarmhoffBrian Thomas Wamhoff · 1 companies · 1 sharedBrian Thomas Wamh…David L Friedman · 1 companies · 1 sharedDavid L FriedmanJohn A. Tilton · 1 companies · 1 sharedJohn A. TiltonJohn M Tilton · 1 companies · 1 sharedJohn M TiltonKathleen M. Metters · 4 companies · 2 sharedKathleen M. Mette…Aric R. Holsinger · 3 companies · 2 sharedAric R. HolsingerJames C. Powers · 3 companies · 2 sharedJames C. PowersJohn L. Brooks, III · 3 companies · 2 sharedJohn L. Brooks, I…H. Thomas Watkins III · 2 companies · 2 sharedH. Thomas Watkins…Robert J Gould · 2 companies · 2 sharedRobert J GouldJonathan M. Sackier · 4 companies · 1 sharedJonathan M. Sacki…H. Thomas Watkins · 2 companies · 1 sharedH. Thomas WatkinsWilliam McIlwaine Thompson, Jr. · 2 companies · 1 sharedWilliam McIlwaine…W. McIlwaine Thompson, Jr. · 2 companies · 1 sharedW. McIlwaine Thom…Brett R. Blackman · 1 companies · 1 sharedBrett R. BlackmanBrian M. Campbell · 1 companies · 1 sharedBrian M. CampbellBrian R. Wamhoff · 1 companies · 1 sharedBrian R. WamhoffFrederick W. K. Brown · 1 companies · 1 sharedFrederick W. K. B…Hemoshear Therapeutics, Inc. · $46.6M raisedHemoshear Therapeutic…Hemoshear Therapeutics, Llc · $8.8M raisedHemoshear Therapeutic…Brian A JohnsBJ
Brian A Johns Company Co-operator (ring = serial)Hover to isolate ties · click to open
Co-operators (shared boards)

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

OperatorSharedTheir companies
Kathleen M. Metters24
Aric R. Holsinger23
John L. Brooks, III23
James C. Powers23
Robert J Gould22
H. Thomas Watkins III22
Aric Holsinger14
Jonathan M. Sackier14
H. Thomas Watkins12
William McIlwaine Thompson, Jr.12
David A. Friedman12
John L. Brooks12
W. McIlwaine Thompson, Jr.12
David L Friedman11
Patrick A Horn11
John M Tilton11
Brian M Warmhoff11
Brian Thomas Wamhoff11
W. M. Thompson, Jr.11
John A. Tilton11

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.