People · Operator

James Tessmer

Named in public records as an officer, director or promoter · active 2013–2016 · Manufacturing

1
Companies
2
Filings
$2.5M
Combined raised · real
Single
Operator type
Companies
CompanyRoleSectorStageRaised · realValue · estTied
Gearbox Express, LLCManufacturingSeed$2.5M$5.5M2013
Operator network

James Tessmer 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.

Mark Readinger · 2 companies · 1 sharedMark ReadingerBrian Halverson · 1 companies · 1 sharedBrian HalversonBrian Hastings · 1 companies · 1 sharedBrian HastingsBruce Neumiller · 1 companies · 1 sharedBruce NeumillerErik Isbister · 1 companies · 1 sharedErik IsbisterGary Schildt · 1 companies · 1 sharedGary SchildtGregory Domino · 1 companies · 1 sharedGregory DominoJoseph Geason · 1 companies · 1 sharedJoseph GeasonRon Fedder · 1 companies · 1 sharedRon FedderRon Lyons · 1 companies · 1 sharedRon LyonsGearbox Express, LLC · $2.5M raisedGearbox Express, LLCJames TessmerJT
James Tessmer Company Co-operator (ring = serial)Hover to isolate ties · click to open
Co-operators (shared boards)

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

OperatorSharedTheir companies
Mark Readinger12
Joseph Geason11
Erik Isbister11
Ron Lyons11
Ron Fedder11
Gary Schildt11
Brian Halverson11
Brian Hastings11
Gregory Domino11
Bruce Neumiller11

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.