People · Operator

Joseph Peter Schlessinger

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

1
Companies
1
Filings
$137.0M
Combined raised · real
Single
Operator type
Companies
CompanyRoleSectorStageRaised · realValue · estTied
Kolltan Pharmaceuticals IncBiotechnologySeries C$137.0M$2.5B2009
Operator network

Joseph Peter Schlessinger 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.

Peter Hirth · 7 companies · 1 sharedPeter HirthAxel Bolte · 6 companies · 1 sharedAxel BolteE. Jonathan Soderstrom · 3 companies · 1 sharedE. Jonathan Soder…Gerald McMahon · 3 companies · 1 sharedGerald McMahonJane Pritchett Henderson · 3 companies · 1 sharedJane Pritchett He…Thomas B Neff · 3 companies · 1 sharedThomas B NeffCarolyn F. Sidor · 2 companies · 1 sharedCarolyn F. SidorJoseph Schlessinger · 2 companies · 1 sharedJoseph Schlessing…K. Peter Hirth · 2 companies · 1 sharedK. Peter HirthMichael Schmertzler · 2 companies · 1 sharedMichael Schmertzl…Thomas Neff · 2 companies · 1 sharedThomas NeffW. Bradford Middlekauff · 2 companies · 1 sharedW. Bradford Middl…Alex Bolte · 1 companies · 1 sharedAlex BolteArthur G. Altschul, Jr. · 1 companies · 1 sharedArthur G. Altschu…Axel G. Bolte · 1 companies · 1 sharedAxel G. BolteJoseph B. Schlessinger · 1 companies · 1 sharedJoseph B. Schless…Paul Jonathan Medeiros · 1 companies · 1 sharedPaul Jonathan Med…Stanley Choy · 1 companies · 1 sharedStanley ChoyStanley Jonathan Choy · 1 companies · 1 sharedStanley Jonathan …Stanley Pritchett Choy · 1 companies · 1 sharedStanley Pritchett…Theresa M. LaVallee · 1 companies · 1 sharedTheresa M. LaVall…Thomas Peter Neff · 1 companies · 1 sharedThomas Peter NeffKolltan Pharmaceuticals Inc · $137.0M raisedKolltan Pharmaceutica…Joseph Peter SchlessingerJS
Joseph Peter Schlessinger Company Co-operator (ring = serial)Hover to isolate ties · click to open
Co-operators (shared boards)

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

OperatorSharedTheir companies
Peter Hirth17
Axel Bolte16
Jane Pritchett Henderson13
Gerald McMahon13
E. Jonathan Soderstrom13
Thomas B Neff13
Joseph Schlessinger12
K. Peter Hirth12
Michael Schmertzler12
W. Bradford Middlekauff12
Thomas Neff12
Carolyn F. Sidor12
Joseph B. Schlessinger11
Theresa M. LaVallee11
Yaron Hadari11
Stanley Choy11
Yaron Jonathan Hadari11
Axel G. Bolte11
Stanley Jonathan Choy11
Thomas Peter Neff11

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.