People · Operator

David Grant Leffell

Named in public records as an officer, director or promoter · active 2021–2021 · Pharmaceuticals

1
Companies
2
Filings
$45.0M
Combined raised · real
Single
Operator type
Companies
CompanyRoleSectorStageRaised · realValue · estTied
FirstString Research, Inc.PharmaceuticalsSeries B$45.0M$665.3M2021
Operator network

David Grant Leffell 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.

James R. McNab, Jr. · 3 companies · 1 sharedJames R. McNab, J…D. Grant Carwile · 1 companies · 1 sharedD. Grant CarwileElliot S. Favus · 1 companies · 1 sharedElliot S. FavusElliot W. Favus · 1 companies · 1 sharedElliot W. FavusGautam S. Ghatnekar · 1 companies · 1 sharedGautam S. Ghatnek…Grant R. Carwile · 1 companies · 1 sharedGrant R. CarwileJames R. McNab · 1 companies · 1 sharedJames R. McNabNeal Grant McConnell · 1 companies · 1 sharedNeal Grant McConn…Stephen W. Speer · 1 companies · 1 sharedStephen W. SpeerSteven W. Speer · 1 companies · 1 sharedSteven W. SpeerTina Grant Nova · 1 companies · 1 sharedTina Grant NovaTony Grant Bartsh · 1 companies · 1 sharedTony Grant BartshTony W. Bartsh · 1 companies · 1 sharedTony W. BartshFirstString Research, Inc. · $45.0M raisedFirstString Research,…David Grant LeffellDL
David Grant Leffell Company Co-operator (ring = serial)Hover to isolate ties · click to open
Co-operators (shared boards)

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

OperatorSharedTheir companies
James R. McNab, Jr.13
Tina Grant Nova11
Gautam S. Ghatnekar11
Neal Grant McConnell11
D. Grant Carwile11
Tony Grant Bartsh11
Elliot S. Favus11
Steven W. Speer11
James R. McNab11
Tony W. Bartsh11
Elliot W. Favus11
Grant R. Carwile11
Stephen W. Speer11

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.