People · Operator

Jeff Duncan

Named in public records as an officer, director or promoter · active 2025–2025 · Biotechnology

1
Companies
1
Filings
$47.1M
Combined raised · real
Single
Operator type
Companies
CompanyRoleSectorStageRaised · realValue · estTied
Reprise Biomedical, Inc.BiotechnologySeries B$47.1M$29.7M2025
Operator network

Jeff Duncan 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.

Erwin Kelen · 5 companies · 1 sharedErwin KelenJeff Ross · 4 companies · 1 sharedJeff RossRonald Eibensteiner · 4 companies · 1 sharedRonald Eibenstein…CARRIE POWERS · 2 companies · 1 sharedCARRIE POWERSGreg Smock · 2 companies · 1 sharedGreg SmockHeather Kotila · 2 companies · 1 sharedHeather KotilaHOWARD ROOT · 2 companies · 1 sharedHOWARD ROOTJake Isenburg · 2 companies · 1 sharedJake IsenburgJerrod Krueger · 2 companies · 1 sharedJerrod KruegerSteve Jagodzinski · 2 companies · 1 sharedSteve JagodzinskiTina Walters · 2 companies · 1 sharedTina WaltersTom Kouchoukos · 2 companies · 1 sharedTom KouchoukosAlan Woldt · 1 companies · 1 sharedAlan WoldtPHILLIP NALBONE · 1 companies · 1 sharedPHILLIP NALBONEPHIL NALBONE · 1 companies · 1 sharedPHIL NALBONEReprise Biomedical, Inc. · $47.1M raisedReprise Biomedical, I…Jeff DuncanJD
Jeff Duncan Company Co-operator (ring = serial)Hover to isolate ties · click to open
Co-operators (shared boards)

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

OperatorSharedTheir companies
Erwin Kelen15
Jeff Ross14
Ronald Eibensteiner14
Tina Walters12
CARRIE POWERS12
Steve Jagodzinski12
Heather Kotila12
Greg Smock12
HOWARD ROOT12
Jake Isenburg12
Tom Kouchoukos12
Jerrod Krueger12
PHIL NALBONE11
PHILLIP NALBONE11
Alan Woldt11

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.