People · Operator

Mark Sieczkarek

Named in public records as an officer, director or promoter · active 2010–2022 · Pharmaceuticals, Other Health Care, Other Technology

5
Companies
10
Filings
$312.2M
Combined raised · real
Serial
Operator type
Companies
CompanyRoleSectorStageRaised · realValue · estTied
NovaBay Pharmaceuticals, Inc.PharmaceuticalsSeries D+$218.1M$913.2M2019
Solta Medical IncOther Health CareSeries B$47.5M$564.9M2010
Mawson Infrastructure Group Inc.Other TechnologySeries B$40.3M$4.4M2020
OT Global, LLCOther Health CareSeries A$6.1M$57.9M2018
Orange Twist LLCOther Health CarePre-Seed$190K$4.7M2020
Operator network

Mark Sieczkarek 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.

ANDREW JONES · 6 companies · 1 sharedANDREW JONESCharles Cashion · 2 companies · 1 sharedCharles CashionGail E. Maderis · 2 companies · 1 sharedGail E. MaderisGail J. Maderis · 2 companies · 1 sharedGail J. MaderisGAIL MADERIS · 2 companies · 1 sharedGAIL MADERISPaul E. Freiman · 2 companies · 1 sharedPaul E. FreimanPaul Freiman · 2 companies · 1 sharedPaul FreimanANDREW M. JONES · 1 companies · 1 sharedANDREW M. JONESEric Stang · 4 companies · 1 sharedEric StangDavid Holthe · 3 companies · 1 sharedDavid HoltheCathy McCarthy · 2 companies · 1 sharedCathy McCarthyWilliam Brodie · 2 companies · 1 sharedWilliam BrodieGREG MARTIN · 12 companies · 1 sharedGREG MARTINRon Mayron · 6 companies · 1 sharedRon MayronMichael Hughes · 3 companies · 1 sharedMichael HughesJoseph Zarzewsky · 2 companies · 1 sharedJoseph ZarzewskyOr Eisenberg · 2 companies · 1 sharedOr EisenbergClint Carnell · 4 companies · 3 sharedClint CarnellJared Smith · 5 companies · 2 sharedJared SmithBrittany Slater · 2 companies · 2 sharedBrittany SlaterJeffrey Seery · 2 companies · 2 sharedJeffrey SeeryKenneth Kay · 2 companies · 2 sharedKenneth KayNovaBay Pharmaceuticals, Inc. · $218.1M raisedNovaBay Pharmaceutica…Solta Medical Inc · $47.5M raisedSolta Medical IncMawson Infrastructure Group Inc. · $40.3M raisedMawson Infrastructure…OT Global, LLC · $6.1M raisedOT Global, LLCOrange Twist LLC · $0.2M raisedOrange Twist LLCMark SieczkarekMS
Mark Sieczkarek Company Co-operator (ring = serial)Hover to isolate ties · click to open
Co-operators (shared boards)

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

OperatorSharedTheir companies
Clint Carnell34
Jared Smith25
Brittany Slater22
Kenneth Kay22
Jeffrey Seery22
GREG MARTIN112
Ron Mayron16
ANDREW JONES16
Eric Stang14
Michael Hughes13
David Holthe13
Or Eisenberg12
GAIL MADERIS12
Paul E. Freiman12
Joseph Zarzewsky12
Charles Cashion12
Paul Freiman12
Gail J. Maderis12
Cathy McCarthy12
William Brodie12

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.