People · Operator

Ludwig L Mark

Named in public records as an officer, director or promoter · active 2009–2009 · Tourism and Travel Services

1
Companies
1
Filings
$500K
Combined raised · real
Single
Operator type
Companies
CompanyRoleSectorStageRaised · realValue · estTied
AirtreksTourism and Travel ServicesPre-Seed$500K$4.5M2009
Operator network

Ludwig L Mark 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.

Paul Klapper · 3 companies · 1 sharedPaul KlapperROBERT D LEPPO · 2 companies · 1 sharedROBERT D LEPPODavid R MacKenzie · 1 companies · 1 sharedDavid R MacKenzieJames G Pilaar · 1 companies · 1 sharedJames G PilaarThomas G Michelson · 1 companies · 1 sharedThomas G MichelsonAirtreks · $0.5M raisedAirtreksLudwig L MarkLM
Ludwig L Mark Company Co-operator (ring = serial)Hover to isolate ties · click to open
Co-operators (shared boards)

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

OperatorSharedTheir companies
Paul Klapper13
ROBERT D LEPPO12
David R MacKenzie11
Thomas G Michelson11
James G Pilaar11

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.