People · Operator

Joseph Zarzewsky

Named in public records as an officer, director or promoter · active 2018–2026 · Other Technology, Biotech / Pharma

2
Companies
4
Filings
$58.1M
Combined raised · real
Serial
Operator type
Companies
CompanyRoleSectorStageRaised · realValue · estTied
Mawson Infrastructure Group Inc.Other TechnologySeries B$40.3M$4.4M2018
CollPlant Biotechnologies LtdBiotech / PharmaSeries A$17.8M$9.9M2019
Operator network

Joseph Zarzewsky 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.

GREG MARTIN · 12 companies · 1 sharedGREG MARTINRon Mayron · 6 companies · 1 sharedRon MayronMark Sieczkarek · 5 companies · 1 sharedMark SieczkarekMichael Hughes · 3 companies · 1 sharedMichael HughesOr Eisenberg · 2 companies · 1 sharedOr EisenbergAriel Sivikofsky · 1 companies · 1 sharedAriel SivikofskyFranck Amouyal · 1 companies · 1 sharedFranck AmouyalHugh Evans · 4 companies · 1 sharedHugh EvansRoger Pomerantz · 4 companies · 1 sharedRoger PomerantzAlisa Lask · 3 companies · 1 sharedAlisa LaskAbraham Havron · 2 companies · 1 sharedAbraham HavronAdi Goldin · 2 companies · 1 sharedAdi GoldinElan Penn · 2 companies · 1 sharedElan PennAbraham Dreiher Havron · 1 companies · 1 sharedAbraham Dreiher H…Alisa Dreiher Lask · 1 companies · 1 sharedAlisa Dreiher LaskBar Abelis · 1 companies · 1 sharedBar AbelisBowman Bagley · 1 companies · 1 sharedBowman BagleyDavid Tsur · 1 companies · 1 sharedDavid TsurElana Gazal · 1 companies · 1 sharedElana GazalElan Dreiher Penn · 1 companies · 1 sharedElan Dreiher PennEran Rotem · 1 companies · 1 sharedEran RotemGili Hart · 1 companies · 1 sharedGili HartMawson Infrastructure Group Inc. · $40.3M raisedMawson Infrastructure…CollPlant Biotechnologies Ltd · $17.8M raisedCollPlant Biotechnolo…Joseph ZarzewskyJZ
Joseph Zarzewsky Company Co-operator (ring = serial)Hover to isolate ties · click to open
Co-operators (shared boards)

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

OperatorSharedTheir companies
GREG MARTIN112
Ron Mayron16
Mark Sieczkarek15
Roger Pomerantz14
Hugh Evans14
Alisa Lask13
Michael Hughes13
Adi Goldin12
Elan Penn12
Abraham Havron12
Or Eisenberg12
Bar Abelis11
Oren Fahimipoor11
Philippe Bensimon11
Jasmine Seror11
Abraham Dreiher Havron11
Hadas Dreiher Horowitz11
Hugh Dreiher Evans11
Roger Dreiher Pomerantz11
Bowman Bagley11

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.