People · Operator

John Walter Sittmann

Named in public records as an officer, director or promoter · active 2025–2025 · Other

1
Companies
2
Filings
$1.2M
Combined raised · real
Single
Operator type
Companies
CompanyRoleSectorStageRaised · realValue · estTied
Deep Root Biolabs, Inc.OtherSeed$1.2M$3.4M2025
Operator network

John Walter Sittmann 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.

Colin Joseph Handzo · 1 companies · 1 sharedColin Joseph Hand…Kimberly Ann Sittmann · 1 companies · 1 sharedKimberly Ann Sitt…Thomas Darwin Curtis · 1 companies · 1 sharedThomas Darwin Cur…Deep Root Biolabs, Inc. · $1.2M raisedDeep Root Biolabs, In…John Walter SittmannJS
John Walter Sittmann Company Co-operator (ring = serial)Hover to isolate ties · click to open
Co-operators (shared boards)

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

OperatorSharedTheir companies
Kimberly Ann Sittmann11
Thomas Darwin Curtis11
Colin Joseph Handzo11

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.