People · Operator

JOHN MACK

Named in public records as an officer, director or promoter · active 2010–2017 · Other Health Care, Other Energy, Other

3
Companies
9
Filings
$17.2M
Combined raised · real
Serial
Operator type
Companies
CompanyRoleSectorStageRaised · realValue · estTied
Corinthian Ophthalmic, Inc.Other Health CareSeed$12.9M$40.6M2010
Enduring Hydro,LLCOther EnergySeed$3.2M$41.3M2014
Levity Products, Inc.OtherSeed$1.1M$21.0M2017
Operator network

JOHN MACK 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.

Ernest Mario · 9 companies · 1 sharedErnest MarioFRED ESHELMAN · 5 companies · 1 sharedFRED ESHELMANJOHN HAND · 2 companies · 1 sharedJOHN HANDSEAN IANCHULEV · 2 companies · 1 sharedSEAN IANCHULEVBERNARD BALLOU · 1 companies · 1 sharedBERNARD BALLOUMARK PACKER · 1 companies · 1 sharedMARK PACKERSkip Ballou · 1 companies · 1 sharedSkip BallouJohn Collins · 9 companies · 1 sharedJohn CollinsGeorge Stamas · 1 companies · 1 sharedGeorge StamasGinger Lew · 1 companies · 1 sharedGinger LewKristina Johnson · 1 companies · 1 sharedKristina JohnsonCarl Kieranen · 1 companies · 1 sharedCarl KieranenJason Mack · 1 companies · 1 sharedJason MackSarah Olson · 1 companies · 1 sharedSarah OlsonCorinthian Ophthalmic, Inc. · $12.9M raisedCorinthian Ophthalmic…Enduring Hydro,LLC · $3.2M raisedEnduring Hydro,LLCLevity Products, Inc. · $1.1M raisedLevity Products, Inc.JOHN MACKJM
JOHN MACK Company Co-operator (ring = serial)Hover to isolate ties · click to open
Co-operators (shared boards)

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

OperatorSharedTheir companies
John Collins19
Ernest Mario19
FRED ESHELMAN15
JOHN HAND12
SEAN IANCHULEV12
George Stamas11
Kristina Johnson11
Sarah Olson11
Jason Mack11
Carl Kieranen11
BERNARD BALLOU11
MARK PACKER11
Skip Ballou11
Ginger Lew11

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.