People · Operator

John Johnsen

Named in public records as an officer, director or promoter · active 2015–2015 · Other Health Care

1
Companies
1
Filings
$3.1M
Combined raised · real
Single
Operator type
Companies
CompanyRoleSectorStageRaised · realValue · estTied
United Urology Centers, LlcOther Health CarePre-Seed$3.1M$8.4M2015
Operator network

John Johnsen 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.

Andreas Hildebrand · 6 companies · 1 sharedAndreas HildebrandMarc Rubenstein · 4 companies · 1 sharedMarc RubensteinDouglas Trussler · 3 companies · 1 sharedDouglas TrusslerDonald Norris · 2 companies · 1 sharedDonald NorrisF. Bruce Cohen · 2 companies · 1 sharedF. Bruce CohenDr. Joel Cornfield · 1 companies · 1 sharedDr. Joel CornfieldJohn Badal · 1 companies · 1 sharedJohn BadalJulie Grego · 1 companies · 1 sharedJulie GregoPatti Murphy · 1 companies · 1 sharedPatti MurphyPete Macdonald · 1 companies · 1 sharedPete MacdonaldUnited Urology Centers, Llc · $3.1M raisedUnited Urology Center…John JohnsenJJ
John Johnsen Company Co-operator (ring = serial)Hover to isolate ties · click to open
Co-operators (shared boards)

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

OperatorSharedTheir companies
Andreas Hildebrand16
Marc Rubenstein14
Douglas Trussler13
F. Bruce Cohen12
Donald Norris12
Dr. Joel Cornfield11
John Badal11
Julie Grego11
Patti Murphy11
Pete Macdonald11

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.