People · Operator

Hans S. Keirstead

Named in public records as an officer, director or promoter · active 2015–2018 · Pharmaceuticals, Biotechnology

2
Companies
6
Filings
$236.6M
Combined raised · real
Serial
Operator type
Companies
CompanyRoleSectorStageRaised · realValue · estTied
AEON Biopharma, Inc.PharmaceuticalsSeries C$197.1M$512.3M2015
AiVita Biomedical, Inc.BiotechnologySeries B$39.5M$95.6M2016
Operator network

Hans S. Keirstead 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.

Robert Grant · 12 companies · 1 sharedRobert GrantJuliet Tammenoms Bakker · 5 companies · 1 sharedJuliet Tammenoms …Robert E. Grant · 5 companies · 1 sharedRobert E. GrantSimone Blank · 5 companies · 1 sharedSimone BlankVikram Malik · 5 companies · 1 sharedVikram MalikDarren O'Brien · 4 companies · 1 sharedDarren O'BrienJost Fischer · 4 companies · 1 sharedJost FischerAlex Wilson · 3 companies · 1 sharedAlex WilsonBill Tammenoms Richardson · 1 companies · 1 sharedBill Tammenoms Ri…Bosun Tammenoms Hau · 1 companies · 1 sharedBosun Tammenoms H…Chad Oh · 1 companies · 1 sharedChad OhChris Carr · 1 companies · 1 sharedChris CarrChristopher Tammenoms Cox · 1 companies · 1 sharedChristopher Tamme…Craig Tammenoms Kussman · 1 companies · 1 sharedCraig Tammenoms K…Alexander B. Suh · 3 companies · 1 sharedAlexander B. SuhAlexander Suh · 3 companies · 1 sharedAlexander SuhHans Keirstead · 3 companies · 1 sharedHans KeirsteadPhilippe Schaison · 3 companies · 1 sharedPhilippe SchaisonScott Burell · 3 companies · 1 sharedScott BurellCHRIS FIBIGER · 2 companies · 1 sharedCHRIS FIBIGERMatthew Katz · 2 companies · 1 sharedMatthew KatzPaul Jenkinson · 2 companies · 1 sharedPaul JenkinsonAEON Biopharma, Inc. · $197.1M raisedAEON Biopharma, Inc.AiVita Biomedical, Inc. · $39.5M raisedAiVita Biomedical, In…Hans S. KeirsteadHK
Hans S. Keirstead Company Co-operator (ring = serial)Hover to isolate ties · click to open
Co-operators (shared boards)

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

OperatorSharedTheir companies
Robert Grant112
Vikram Malik15
Juliet Tammenoms Bakker15
Simone Blank15
Robert E. Grant15
Darren O'Brien14
Jost Fischer14
Alexander Suh13
Alexander B. Suh13
Alex Wilson13
Scott Burell13
Hans Keirstead13
Philippe Schaison13
Paul Jenkinson12
Matthew Katz12
CHRIS FIBIGER12
James Xiaodong Liu11
Dennis Tammenoms Wolf11
Patrick S. Maxwell11
Valerie S. Taupin11

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.