People · Operator

Mark Klein

Named in public records as an officer, director or promoter · active 2012–2014 · Business Services, Agriculture

2
Companies
3
Filings
$96.2M
Combined raised · real
Serial
Operator type
Companies
CompanyRoleSectorStageRaised · realValue · estTied
Great American Group, Inc.Business ServicesSeries C$93.6M$156.2M2014
Organic Alliance, Inc.AgriculturePre-Seed$2.7M$10.7M2012
Operator network

Mark Klein 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.

Bryant Riley · 5 companies · 1 sharedBryant RileyMichael J. Levitt · 3 companies · 1 sharedMichael J. LevittMark D. Klein · 2 companies · 1 sharedMark D. KleinMatthew J. Hart · 2 companies · 1 sharedMatthew J. HartScott Carpenter · 2 companies · 1 sharedScott CarpenterAndrew G. Gumaer · 1 companies · 1 sharedAndrew G. GumaerAndrew Gumaer · 1 companies · 1 sharedAndrew GumaerBryant R. Riley · 1 companies · 1 sharedBryant R. RileyHarvey M. Yellen · 1 companies · 1 sharedHarvey M. YellenHarvey Yellen · 1 companies · 1 sharedHarvey YellenHoward E. Weitzman · 1 companies · 1 sharedHoward E. WeitzmanHugh G. Hilton · 1 companies · 1 sharedHugh G. HiltonHugh Hilton · 1 companies · 1 sharedHugh HiltonMark K. Naughton · 1 companies · 1 sharedMark K. NaughtonMatthew Hart · 1 companies · 1 sharedMatthew HartPaul S. Erickson · 1 companies · 1 sharedPaul S. EricksonPhillip Ahn · 1 companies · 1 sharedPhillip AhnPhillip J. Ahn · 1 companies · 1 sharedPhillip J. AhnRichard L. Todaro · 1 companies · 1 sharedRichard L. TodaroParker Booth · 2 companies · 1 sharedParker BoothBarry Brookstein · 1 companies · 1 sharedBarry BrooksteinMichael Rosenthal · 1 companies · 1 sharedMichael RosenthalGreat American Group, Inc. · $93.6M raisedGreat American Group,…Organic Alliance, Inc. · $2.7M raisedOrganic Alliance, Inc.Mark KleinMK
Mark Klein Company Co-operator (ring = serial)Hover to isolate ties · click to open
Co-operators (shared boards)

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

OperatorSharedTheir companies
Bryant Riley15
Michael J. Levitt13
Parker Booth12
Scott Carpenter12
Matthew J. Hart12
Mark D. Klein12
Mark K. Naughton11
Bryant R. Riley11
Richard L. Todaro11
Howard E. Weitzman11
Thomas J. Kelleher11
Phillip J. Ahn11
Andrew G. Gumaer11
Hugh Hilton11
Thomas Kelleher11
Phillip Ahn11
Matthew Hart11
Harvey Yellen11
Michael Rosenthal11
Barry Brookstein11

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.