People · Operator

Jonathan Violin

Named in public records as an officer, director or promoter · active 2018–2021 · Biotechnology

5
Companies
9
Filings
$362.6M
Combined raised · real
Serial
Operator type
Companies
CompanyRoleSectorStageRaised · realValue · estTied
Miragen Therapeutics, Inc.BiotechnologySeries C$197.8M$3.3B2020
Dianthus Therapeutics, Inc.BiotechnologySeries C$121.5M$2.1B2019
Viridian Therapeutics, Inc.BiotechnologySeries B$29.0M$977.2M2020
Quellis Biosciences, Inc.BiotechnologySeries A$13.1M$29.7M2018
Viridian, LLCBiotechnologySeed$1.1M$51.1M2018
Operator network

Jonathan Violin 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.

Bruce Booth · 12 companies · 1 sharedBruce BoothKyle Lefkoff · 9 companies · 1 sharedKyle LefkoffJoseph L. Turner · 4 companies · 1 sharedJoseph L. TurnerChristopher J Morl · 3 companies · 1 sharedChristopher J MorlJohn S. Creecy · 3 companies · 1 sharedJohn S. CreecyWilliam S Marshall · 3 companies · 1 sharedWilliam S MarshallBruce L Booth · 2 companies · 1 sharedBruce L BoothBruce S. Booth · 2 companies · 1 sharedBruce S. BoothJeffrey S Hatfield · 2 companies · 1 sharedJeffrey S HatfieldJohn W Creecy · 2 companies · 1 sharedJohn W CreecyKyle A. Lefkoff · 2 companies · 1 sharedKyle A. LefkoffMarvin Caruthers · 2 companies · 1 sharedMarvin CaruthersMarvin H Caruthers · 2 companies · 1 sharedMarvin H CaruthersAdam S. Levy · 1 companies · 1 sharedAdam S. LevyArlene M. Morris · 1 companies · 1 sharedArlene M. MorrisLeon O. Moulder, Jr. · 6 companies · 1 sharedLeon O. Moulder, …Leon Moulder · 3 companies · 1 sharedLeon MoulderLeon Moulder, Jr. · 3 companies · 1 sharedLeon Moulder, Jr.Peter Harwin · 4 companies · 3 sharedPeter HarwinTomas Kiselak · 3 companies · 3 sharedTomas KiselakFrederick Callori · 4 companies · 1 sharedFrederick CalloriChristopher Garabedian · 2 companies · 1 sharedChristopher Garab…Miragen Therapeutics, Inc. · $197.8M raisedMiragen Therapeutics,…Dianthus Therapeutics, Inc. · $121.5M raisedDianthus Therapeutics…Viridian Therapeutics, Inc. · $29.0M raisedViridian Therapeutics…Quellis Biosciences, Inc. · $13.1M raisedQuellis Biosciences, …Viridian, LLC · $1.1M raisedViridian, LLCJonathan ViolinJV
Jonathan Violin Company Co-operator (ring = serial)Hover to isolate ties · click to open
Co-operators (shared boards)

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

OperatorSharedTheir companies
Peter Harwin34
Tomas Kiselak33
Bruce Booth112
Kyle Lefkoff19
Leon O. Moulder, Jr.16
Joseph L. Turner14
Frederick Callori14
Christopher J Morl13
John S. Creecy13
William S Marshall13
Leon Moulder, Jr.13
Leon Moulder13
Christopher Garabedian12
Bruce S. Booth12
Marvin H Caruthers12
John W Creecy12
Jeffrey S Hatfield12
Marvin Caruthers12
Bruce L Booth12
Kyle A. Lefkoff12

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.