People · Operator

Judith O'Brien

Named in public records as an officer, director or promoter · active 2019–2022 · Medical Devices, Software / Tech

2
Companies
7
Filings
$77.3M
Combined raised · real
Serial
Operator type
Companies
CompanyRoleSectorStageRaised · realValue · estTied
MBio Diagnostics, Inc.Medical DevicesSeries A$45.3M$77.3M2020
Theatro Labs, Inc.Software / TechSeries B$32.1M$609.1M2019
Operator network

Judith O'Brien 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.

MICHAEL CHANG · 13 companies · 1 sharedMICHAEL CHANGRobert Silverman · 5 companies · 1 sharedRobert SilvermanMilton Chang · 4 companies · 1 sharedMilton ChangChris Myatt · 2 companies · 1 sharedChris MyattNick Traggis · 2 companies · 1 sharedNick TraggisRobert J. Silverman · 2 companies · 1 sharedRobert J. Silverm…Andrew Drenick · 1 companies · 1 sharedAndrew DrenickCHRISTOPHER J. MYATT · 1 companies · 1 sharedCHRISTOPHER J. MY…Christopher Myatt · 1 companies · 1 sharedChristopher MyattMICHAEL C LOCHHEAD · 1 companies · 1 sharedMICHAEL C LOCHHEADMichael J. Lochhaed · 1 companies · 1 sharedMichael J. Lochha…Michael J. Lochhead · 1 companies · 1 sharedMichael J. Lochhe…Michael Lochhead · 1 companies · 1 sharedMichael LochheadMILTON J. CHANG · 1 companies · 1 sharedMILTON J. CHANGDean Nelson · 6 companies · 1 sharedDean NelsonAntal Desai · 3 companies · 1 sharedAntal DesaiChris Todd · 2 companies · 1 sharedChris ToddChristopher Todd · 1 companies · 1 sharedChristopher ToddJohn Jaggers · 1 companies · 1 sharedJohn JaggersJohn Nadaskay · 1 companies · 1 sharedJohn NadaskayJohn Spiliotis · 1 companies · 1 sharedJohn SpiliotisRavi Shankar Kumar · 1 companies · 1 sharedRavi Shankar KumarMBio Diagnostics, Inc. · $45.3M raisedMBio Diagnostics, Inc.Theatro Labs, Inc. · $32.1M raisedTheatro Labs, Inc.Judith O'BrienJO
Judith O'Brien Company Co-operator (ring = serial)Hover to isolate ties · click to open
Co-operators (shared boards)

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

OperatorSharedTheir companies
MICHAEL CHANG113
Dean Nelson16
Robert Silverman15
Milton Chang14
Antal Desai13
Chris Todd12
Nick Traggis12
Robert J. Silverman12
Chris Myatt12
MICHAEL C LOCHHEAD11
Christopher Myatt11
CHRISTOPHER J. MYATT11
John Jaggers11
Christopher Todd11
SARAH C. HATCHER11
Andrew Drenick11
MILTON J. CHANG11
Michael J. Lochhead11
Michael J. Lochhaed11
Sarah J Hatcher11

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.