People · Operator

Johnna Hafner

Named in public records as an officer, director or promoter · active 2023–2023 · Healthtech

1
Companies
1
Filings
$8.3M
Combined raised · real
Single
Operator type
Companies
CompanyRoleSectorStageRaised · realValue · estTied
Brijjit Medical, Inc.HealthtechSeries A$8.3M$4.7M2023
Operator network

Johnna Hafner 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 Grant · 7 companies · 1 sharedDavid GrantRobert A Kukuljan · 6 companies · 1 sharedRobert A KukuljanRobert Zollars · 5 companies · 1 sharedRobert ZollarsRobert Kukuljan · 4 companies · 1 sharedRobert KukuljanJohn Grotting · 3 companies · 1 sharedJohn GrottingTimothy Gleeson · 2 companies · 1 sharedTimothy GleesonALISTAIR F. SIMPSON · 1 companies · 1 sharedALISTAIR F. SIMPS…Alistair Simpson · 1 companies · 1 sharedAlistair SimpsonFelmont Eaves, III, M.D. · 1 companies · 1 sharedFelmont Eaves, II…Felmont Eaves, III, MD · 1 companies · 1 sharedFelmont Eaves, II…Felmont F. Eaves, III, M.D. · 1 companies · 1 sharedFelmont F. Eaves,…FELMONT F. EAVES, III, MD · 1 companies · 1 sharedFELMONT F. EAVES,…James Hinrichs · 1 companies · 1 sharedJames HinrichsJoe Andrew · 1 companies · 1 sharedJoe AndrewJohanna F. Hafner · 1 companies · 1 sharedJohanna F. HafnerJohn Grottling · 1 companies · 1 sharedJohn GrottlingJOHNNA F. HAFNER · 1 companies · 1 sharedJOHNNA F. HAFNERBrijjit Medical, Inc. · $8.3M raisedBrijjit Medical, Inc.Johnna HafnerJH
Johnna Hafner Company Co-operator (ring = serial)Hover to isolate ties · click to open
Co-operators (shared boards)

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

OperatorSharedTheir companies
David Grant17
Robert A Kukuljan16
Robert Zollars15
Robert Kukuljan14
John Grotting13
Timothy Gleeson12
Alistair Simpson11
FELMONT F. EAVES, III, MD11
JOHNNA F. HAFNER11
ALISTAIR F. SIMPSON11
Johanna F. Hafner11
Felmont F. Eaves, III, M.D.11
John Grottling11
James Hinrichs11
Felmont Eaves, III, M.D.11
Joe Andrew11
Felmont Eaves, III, MD11

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.