People · Operator

John Zentgraf

Named in public records as an officer, director or promoter · active 2009–2021 · Manufacturing, Healthtech

2
Companies
3
Filings
$81.4M
Combined raised · real
Serial
Operator type
Companies
CompanyRoleSectorStageRaised · realValue · estTied
Neochord IncManufacturingSeries B$78.2M$2.4M2009
Nitricap Medical Inc.HealthtechSeed$3.2M$63.0M2021
Operator network

John Zentgraf 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 Neustaedter · 7 companies · 1 sharedDavid NeustaedterJohn Seaberg · 5 companies · 1 sharedJohn SeabergSteven J. Healy · 5 companies · 1 sharedSteven J. HealyMudit K. Jain · 4 companies · 1 sharedMudit K. JainTimothy I Maudlin · 4 companies · 1 sharedTimothy I MaudlinCasey K. Tansey · 3 companies · 1 sharedCasey K. TanseyNicole J. Walker · 3 companies · 1 sharedNicole J. WalkerTodd Berg · 3 companies · 1 sharedTodd BergCasey J. Tansey · 2 companies · 1 sharedCasey J. TanseyGreg Maurer · 2 companies · 1 sharedGreg MaurerKyle Salyers · 2 companies · 1 sharedKyle SalyersMichael J. Fulton · 2 companies · 1 sharedMichael J. FultonAndrew H. ElBardissi · 1 companies · 1 sharedAndrew H. ElBardi…Andrew K. ElBardissi · 1 companies · 1 sharedAndrew K. ElBardi…Casey Alex Tansey · 1 companies · 1 sharedCasey Alex TanseyDavid Alex Gregorka · 1 companies · 1 sharedDavid Alex Gregor…David H. Chung · 1 companies · 1 sharedDavid H. ChungGreg H. Maurer · 1 companies · 1 sharedGreg H. MaurerJack K Ahrens · 1 companies · 1 sharedJack K AhrensJ. Alex Martin · 1 companies · 1 sharedJ. Alex MartinJames Baumgardt · 1 companies · 1 sharedJames BaumgardtAlexander Yevzlin · 2 companies · 1 sharedAlexander YevzlinNeochord Inc · $78.2M raisedNeochord IncNitricap Medical Inc. · $3.2M raisedNitricap Medical Inc.John ZentgrafJZ
John Zentgraf Company Co-operator (ring = serial)Hover to isolate ties · click to open
Co-operators (shared boards)

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

OperatorSharedTheir companies
David Neustaedter17
John Seaberg15
Steven J. Healy15
Mudit K. Jain14
Timothy I Maudlin14
Nicole J. Walker13
Casey K. Tansey13
Todd Berg13
Alexander Yevzlin12
Kyle Salyers12
Greg Maurer12
Michael J. Fulton12
Casey J. Tansey12
David H. Chung11
James H. Baumgardt11
Greg H. Maurer11
Michael H. Fulton11
John K Huesing11
John I Zentgraf11
Paul Rabinovich11

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.