People · Operator

Sebastian Anastassiou

Named in public records as an officer, director or promoter · active 2022–2025 · Healthtech, Other Technology

3
Companies
3
Filings
$17.3M
Combined raised · real
Serial
Operator type
Companies
CompanyRoleSectorStageRaised · realValue · estTied
Segmed, Inc.HealthtechSeries A$10.1M$94.9M2022
Connective Health, Inc.HealthtechSeed$4.2M$8.5M2024
Navidence, Inc.Other TechnologySeed$3.0M$7.7M2025
Operator network

Sebastian Anastassiou 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.

Marinus Johannes Willemink · 1 companies · 1 sharedMarinus Johannes …Wojciech Adam Koszek · 1 companies · 1 sharedWojciech Adam Kos…Todd Pietri · 13 companies · 1 sharedTodd PietriChris DiBlasi · 1 companies · 1 sharedChris DiBlasiRyan Hess · 1 companies · 1 sharedRyan HessJames Hill · 6 companies · 1 sharedJames HillCraig Parker · 5 companies · 1 sharedCraig ParkerDaniel O'Connor · 5 companies · 1 sharedDaniel O'ConnorAaron Kamauu · 1 companies · 1 sharedAaron KamauuSegmed, Inc. · $10.1M raisedSegmed, Inc.Connective Health, Inc. · $4.2M raisedConnective Health, In…Navidence, Inc. · $3.0M raisedNavidence, Inc.Sebastian AnastassiouSA
Sebastian Anastassiou Company Co-operator (ring = serial)Hover to isolate ties · click to open
Co-operators (shared boards)

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

OperatorSharedTheir companies
Todd Pietri113
James Hill16
Craig Parker15
Daniel O'Connor15
Marinus Johannes Willemink11
Wojciech Adam Koszek11
Aaron Kamauu11
Chris DiBlasi11
Ryan Hess11

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.