People · Operator

John Stark Johnston

Named in public records as an officer, director or promoter · active 2016–2016 · Biotechnology

1
Companies
1
Filings
$5.1M
Combined raised · real
Single
Operator type
Companies
CompanyRoleSectorStageRaised · realValue · estTied
Maxcyte, Inc.BiotechnologySeed$5.1M$33.8M2016
Operator network

John Stark Johnston 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 Pierson · 5 companies · 1 sharedDavid PiersonSinclair Dunlop · 3 companies · 1 sharedSinclair DunlopChris Hegele · 2 companies · 1 sharedChris HegeleArthur Mandell · 1 companies · 1 sharedArthur MandellArthur M Mandell · 1 companies · 1 sharedArthur M MandellArthur Starke Mandell · 1 companies · 1 sharedArthur Starke Man…Arthur Stark Mandell · 1 companies · 1 sharedArthur Stark Mand…Chris Starke Hegele · 1 companies · 1 sharedChris Starke Hege…David Starke Pierson · 1 companies · 1 sharedDavid Starke Pier…Dennis Stark Dougherty · 1 companies · 1 sharedDennis Stark Doug…Douglas A. Doerfler · 1 companies · 1 sharedDouglas A. Doerfl…J. Starke Thompson · 1 companies · 1 sharedJ. Starke ThompsonJ. Stark Thompson · 1 companies · 1 sharedJ. Stark ThompsonKaren Donato · 1 companies · 1 sharedKaren DonatoKaren Stark Donato · 1 companies · 1 sharedKaren Stark DonatoKaren Starke Donato · 1 companies · 1 sharedKaren Starke Dona…Madhusadan E. Peshwa · 1 companies · 1 sharedMadhusadan E. Pes…Madhusadan Peshwa · 1 companies · 1 sharedMadhusadan PeshwaMadhusudan E. Peshwa · 1 companies · 1 sharedMadhusudan E. Pes…Madhusudan V Peshwa · 1 companies · 1 sharedMadhusudan V Pesh…Ronald E. Holtz · 1 companies · 1 sharedRonald E. HoltzSinclair Stark Dunlop · 1 companies · 1 sharedSinclair Stark Du…Maxcyte, Inc. · $5.1M raisedMaxcyte, Inc.John Stark JohnstonJJ
John Stark Johnston Company Co-operator (ring = serial)Hover to isolate ties · click to open
Co-operators (shared boards)

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

OperatorSharedTheir companies
David Pierson15
Sinclair Dunlop13
Chris Hegele12
Stan Erck11
Will Brooke11
Douglas A. Doerfler11
J. Starke Thompson11
Karen Donato11
Arthur Stark Mandell11
Sinclair Stark Dunlop11
Will Stark Brooke11
Madhusudan E. Peshwa11
Dennis Stark Dougherty11
J. Stark Thompson11
Stan Stark Erck11
Karen Stark Donato11
Madhusadan E. Peshwa11
Sinclair Starke Dunlop11
Karen Starke Donato11
David Starke Pierson11

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.