People · Operator

Donald Keller

Named in public records as an officer, director or promoter · active 2012–2012 · Other Technology

1
Companies
2
Filings
$5.2M
Combined raised · real
Single
Operator type
Companies
CompanyRoleSectorStageRaised · realValue · estTied
Q-Sensei, Corp.Other TechnologySeed$5.2M$106.3M2012
Operator network

Donald Keller 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.

Rudy Mazzocchi · 6 companies · 1 sharedRudy MazzocchiRichard Nottenburg · 5 companies · 1 sharedRichard NottenburgKen Hausman · 2 companies · 1 sharedKen HausmanHans-Jurgen Uffhaus · 1 companies · 1 sharedHans-Jurgen Uffha…Lars Boerger · 1 companies · 1 sharedLars BoergerStephan Beier · 1 companies · 1 sharedStephan BeierUte Rother · 1 companies · 1 sharedUte RotherWolfram Kerber · 1 companies · 1 sharedWolfram KerberQ-Sensei, Corp. · $5.2M raisedQ-Sensei, Corp.Donald KellerDK
Donald Keller Company Co-operator (ring = serial)Hover to isolate ties · click to open
Co-operators (shared boards)

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

OperatorSharedTheir companies
Rudy Mazzocchi16
Richard Nottenburg15
Ken Hausman12
Hans-Jurgen Uffhaus11
Wolfram Kerber11
Lars Boerger11
Ute Rother11
Stephan Beier11

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.