People · Operator

Marten Steen

Named in public records as an officer, director or promoter · active 2012–2021 · Biotechnology

3
Companies
6
Filings
$211.4M
Combined raised · real
Serial
Operator type
Companies
CompanyRoleSectorStageRaised · realValue · estTied
Ultragenyx Pharmaceutical Inc.BiotechnologySeries C$108.8M$3.1B2012
Mahzi Therapeutics Inc.BiotechnologySeries C$52.6M$1.3B2021
Vaxin Inc.BiotechnologySeries C$50.0M$1.7B2015
Operator network

Marten Steen 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.

Ben Auspitz · 9 companies · 1 sharedBen AuspitzEran Nadav · 4 companies · 1 sharedEran NadavWilliam Aliski · 4 companies · 1 sharedWilliam AliskiEMIL KAKKIS · 2 companies · 1 sharedEMIL KAKKISBen D. Auspitz · 1 companies · 1 sharedBen D. AuspitzCORDELIA D. LEONARD · 1 companies · 1 sharedCORDELIA D. LEONA…Emil D. Kakkis · 1 companies · 1 sharedEmil D. KakkisEran D. Nadav · 1 companies · 1 sharedEran D. NadavJOHN D. DITTON · 1 companies · 1 sharedJOHN D. DITTONMarten D. Steen · 1 companies · 1 sharedMarten D. SteenSHALINI D. SHARP · 1 companies · 1 sharedSHALINI D. SHARPSTEVEN D. JUNGLES · 1 companies · 1 sharedSTEVEN D. JUNGLESTHOMAS D. KASSBERG · 1 companies · 1 sharedTHOMAS D. KASSBERGCamille Samuels · 6 companies · 1 sharedCamille SamuelsShalini Sharp · 4 companies · 1 sharedShalini SharpStephen Farr · 2 companies · 1 sharedStephen FarrFlorent Gros · 4 companies · 1 sharedFlorent GrosDavid Drutz · 2 companies · 1 sharedDavid DrutzKlaus Schafer · 1 companies · 1 sharedKlaus SchaferPhilip Hodges · 1 companies · 1 sharedPhilip HodgesPhilippe Pouletty · 1 companies · 1 sharedPhilippe PoulettyScot Roberts · 1 companies · 1 sharedScot RobertsUltragenyx Pharmaceutical Inc. · $108.8M raisedUltragenyx Pharmaceut…Mahzi Therapeutics Inc. · $52.6M raisedMahzi Therapeutics In…Vaxin Inc. · $50.0M raisedVaxin Inc.Marten SteenMS
Marten Steen Company Co-operator (ring = serial)Hover to isolate ties · click to open
Co-operators (shared boards)

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

OperatorSharedTheir companies
Ben Auspitz19
Camille Samuels16
William Aliski14
Eran Nadav14
Florent Gros14
Shalini Sharp14
EMIL KAKKIS12
David Drutz12
Stephen Farr12
Klaus Schafer11
William Enright11
SHALINI D. SHARP11
VIMAL D. SRIVASTAVA11
THOMAS D. KASSBERG11
STEVEN D. JUNGLES11
CORDELIA D. LEONARD11
Ben D. Auspitz11
JOHN D. DITTON11
William D. Aliski11
Marten D. Steen11

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.