People · Operator

John Costantino

Named in public records as an officer, director or promoter · active 2009–2010 · Biotechnology

2
Companies
4
Filings
$52.5M
Combined raised · real
Serial
Operator type
Companies
CompanyRoleSectorStageRaised · realValue · estTied
Artisan Pharma, Inc.BiotechnologySeries B$50.0M$119.1M2009
Act Biotech IncBiotechnologyPre-Seed$2.5M$55.2M2009
Operator network

John Costantino 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.

Hironori Hozoji · 4 companies · 1 sharedHironori HozojiJeffrey D. Wager · 3 companies · 1 sharedJeffrey D. WagerThong-Yuen Poon · 3 companies · 1 sharedThong-Yuen PoonPhilippe Chambon · 2 companies · 1 sharedPhilippe ChambonGary D. Shearman · 1 companies · 1 sharedGary D. ShearmanGary Shearman · 1 companies · 1 sharedGary ShearmanGeorg D. Nebgen · 1 companies · 1 sharedGeorg D. NebgenGeorg Yuen Nebgen · 1 companies · 1 sharedGeorg Yuen NebgenHironori D. Hozoji · 1 companies · 1 sharedHironori D. HozojiJohn D. Costantino · 1 companies · 1 sharedJohn D. CostantinoJohn Yuen Costantino · 1 companies · 1 sharedJohn Yuen Costant…Minoru D. Takada · 1 companies · 1 sharedMinoru D. TakadaNaoyuki D. Ono · 1 companies · 1 sharedNaoyuki D. OnoThong-Yuen D. Poon · 1 companies · 1 sharedThong-Yuen D. PoonToshio Asano · 1 companies · 1 sharedToshio AsanoToshio D. Asano · 1 companies · 1 sharedToshio D. AsanoToshio Yuen Asano · 1 companies · 1 sharedToshio Yuen AsanoGeorg Nebgen · 5 companies · 2 sharedGeorg NebgenJohn Mahoney · 3 companies · 1 sharedJohn MahoneyGary Lazar · 2 companies · 1 sharedGary LazarAli Fattaey · 1 companies · 1 sharedAli FattaeyNils C. Behnke · 1 companies · 1 sharedNils C. BehnkeArtisan Pharma, Inc. · $50.0M raisedArtisan Pharma, Inc.Act Biotech Inc · $2.5M raisedAct Biotech IncJohn CostantinoJC
John Costantino Company Co-operator (ring = serial)Hover to isolate ties · click to open
Co-operators (shared boards)

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

OperatorSharedTheir companies
Georg Nebgen25
Hironori Hozoji14
John Mahoney13
Jeffrey D. Wager13
Thong-Yuen Poon13
Gary Lazar12
Philippe Chambon12
Thong-Yuen D. Poon11
Toshio D. Asano11
Georg Yuen Nebgen11
Toshio Yuen Asano11
John Yuen Costantino11
Gary Shearman11
Toshio Asano11
Wolf-Dieter Busse11
Ali Fattaey11
Nils C. Behnke11
Naoyuki D. Ono11
Gary D. Shearman11
John D. Costantino11

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.