People · Operator

Leo - Guthart

Named in public records as an officer, director or promoter · active 2011–2025 · Biotechnology, Cybersecurity, Software / Tech

4
Companies
20
Filings
$469.6M
Combined raised · real
Serial
Operator type
Companies
CompanyRoleSectorStageRaised · realValue · estTied
Neurona Therapeutics, IncBiotechnologySeries D+$347.5M$875.0M2014
Security First Corp.CybersecuritySeries B$74.8M$95.1M2012
Passport Systems IncSoftware / TechSeries B$45.4M$629.9M2012
Mirimus, Inc.BiotechnologySeed$2.0M$88.8M2011
Operator network

Leo - Guthart 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 Goeddel · 10 companies · 1 sharedDavid GoeddelTim Kutzkey · 7 companies · 1 sharedTim KutzkeyPeter Svennilson · 4 companies · 1 sharedPeter SvennilsonErica Whittaker · 3 companies · 1 sharedErica WhittakerRobert Tjian · 3 companies · 1 sharedRobert TjianBrad Margus · 2 companies · 1 sharedBrad MargusJames Stutz · 2 companies · 1 sharedJames StutzArnold Kriegstein · 1 companies · 1 sharedArnold KriegsteinArnold R. Kriegstein · 1 companies · 1 sharedArnold R. Kriegst…Alfred Berkeley III · 2 companies · 1 sharedAlfred Berkeley I…Roger Coleman · 2 companies · 1 sharedRoger ColemanWilliam Crowell · 2 companies · 1 sharedWilliam CrowellAlan C Ederer · 1 companies · 1 sharedAlan C EdererAlan Ederer · 1 companies · 1 sharedAlan EdererAlfred S Berkeley III · 1 companies · 1 sharedAlfred S Berkeley…Mark - Lester · 6 companies · 1 sharedMark - LesterJames - Shields · 3 companies · 1 sharedJames - ShieldsPaul H. Johnson · 3 companies · 1 sharedPaul H. JohnsonRobert Ledoux · 3 companies · 1 sharedRobert LedouxMichael J. Powell · 2 companies · 1 sharedMichael J. PowellJohn Maroney · 3 companies · 1 sharedJohn MaroneySteven Winick · 2 companies · 1 sharedSteven WinickNeurona Therapeutics, Inc · $347.5M raisedNeurona Therapeutics,…Security First Corp. · $74.8M raisedSecurity First Corp.Passport Systems Inc · $45.4M raisedPassport Systems IncMirimus, Inc. · $2.0M raisedMirimus, Inc.Leo - GuthartLG
Leo - Guthart Company Co-operator (ring = serial)Hover to isolate ties · click to open
Co-operators (shared boards)

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

OperatorSharedTheir companies
David Goeddel110
Tim Kutzkey17
Mark - Lester16
Peter Svennilson14
Robert Tjian13
John Maroney13
Robert Ledoux13
Paul H. Johnson13
Erica Whittaker13
James - Shields13
William Crowell12
Michael J. Powell12
Roger Coleman12
James Stutz12
Alfred Berkeley III12
Steven Winick12
Brad Margus12
Nick Harvey11
James Costales11
William H McLendon11

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.