People · Operator

James N. Topper

Named in public records as an officer, director or promoter · active 2010–2021 · Biotechnology, Pharmaceuticals, Other

5
Companies
9
Filings
$494.3M
Combined raised · real
Serial
Operator type
Companies
CompanyRoleSectorStageRaised · realValue · estTied
Amicus Therapeutics, Inc.BiotechnologySeries D+$314.5M$420.4M2010
Aptinyx Inc.PharmaceuticalsSeries C$95.0M$2.5B2016
Anaptysbio IncPharmaceuticalsSeries C$50.8M$1.4B2011
Alnara Pharmaceuticals IncPharmaceuticalsSeries B$20.0M$679.9M2010
Seraxis Holdings, Inc.OtherSeries A$14.0M$177.9M2021
Operator network

James N. Topper 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.

David Clark · 8 companies · 1 sharedDavid ClarkP. Sherrill Neff · 8 companies · 1 sharedP. Sherrill NeffSol J. Barer · 6 companies · 1 sharedSol J. BarerBradley Campbell · 5 companies · 1 sharedBradley CampbellDonald J. Hayden, Jr. · 5 companies · 1 sharedDonald J. Hayden,…Ted W. Love · 5 companies · 1 sharedTed W. LoveDonald J Hayden · 3 companies · 1 sharedDonald J HaydenMichael A. Kelly · 3 companies · 1 sharedMichael A. KellyPatrick G. Enright · 7 companies · 1 sharedPatrick G. EnrightNorbert G. Riedel · 3 companies · 1 sharedNorbert G. RiedelWilbur H. Gantz III · 3 companies · 1 sharedWilbur H. Gantz I…Ashish G. Khanna · 2 companies · 1 sharedAshish G. KhannaAshish M. Khanna · 2 companies · 1 sharedAshish M. KhannaJames Topper · 12 companies · 1 sharedJames TopperHeath Lukatch · 10 companies · 1 sharedHeath LukatchTiba Aynechi · 9 companies · 1 sharedTiba AynechiCarol Gallagher · 6 companies · 1 sharedCarol GallagherRobert Hoffman · 5 companies · 1 sharedRobert HoffmanJohn Schmid · 4 companies · 1 sharedJohn SchmidKevin Kinsella · 4 companies · 1 sharedKevin KinsellaCarol N. Gallagher · 2 companies · 1 sharedCarol N. GallagherAlexey Margolin · 3 companies · 1 sharedAlexey MargolinAmicus Therapeutics, Inc. · $314.5M raisedAmicus Therapeutics, …Aptinyx Inc. · $95.0M raisedAptinyx Inc.Anaptysbio Inc · $50.8M raisedAnaptysbio IncAlnara Pharmaceuticals Inc · $20.0M raisedAlnara Pharmaceutical…Seraxis Holdings, Inc. · $14.0M raisedSeraxis Holdings, Inc.James N. TopperJT
James N. Topper Company Co-operator (ring = serial)Hover to isolate ties · click to open
Co-operators (shared boards)

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

OperatorSharedTheir companies
James Topper112
Heath Lukatch110
Tiba Aynechi19
P. Sherrill Neff18
David Clark18
Patrick G. Enright17
Carol Gallagher16
Sol J. Barer16
Bradley Campbell15
Ted W. Love15
Donald J. Hayden, Jr.15
Robert Hoffman15
John Schmid14
Kevin Kinsella14
Norbert G. Riedel13
Michael A. Kelly13
Donald J Hayden13
Wilbur H. Gantz III13
Alexey Margolin13
Joseph R. Moskal12

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.