Geoff Segal

Founder

Co-Founder at TaxProper · Co-Founder at FullSeam

Greater Chicago Area

About

Geoff Segal co-founded TaxProper, a property tax software platform for institutional real estate investors, which was acquired by Opendoor in 2022. He is currently co-founding FullSeam, an AI platform for finance and accounting teams.

LinkedIn ↗

Co-Founder at TaxProper YC S19

Intro paths

Geoff went through Y Combinator (Summer 2019) — any YC alum in your network can reach them through the YC community.

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In turn, Geoff can intro founders to TaxProper's investors below.

TaxProper's investors · 5

Cathexis Ventures Clocktower Ventures Era Ventures Khosla Ventures Y Combinator

Co-founders at TaxProper

Thomas DowlingCo-founder

Co-Founder at FullSeam YC W26

Intro paths

Geoff went through Y Combinator (Winter 2026) — any YC alum in your network can reach them through the YC community.

Their group partner at YC was Brad Flora, General Partner at Y Combinator — the partner who ran FullSeam's batch and knows the company first-hand. YC profile ↗

→

In turn, Geoff can intro founders to FullSeam's investors below.

FullSeam's investors · 1

Y Combinator

Co-founders at FullSeam

Thomas DowlingCo-founder

Aaron CoppaCo-founder

Experience

FullSeamCo-Foundercurrent2025 — present
OpendoorDirector, TaxProper2022 — 2025
TaxProperCo-Founder2019 — 2022Greater Chicago Area
State Farm ®Data Science & Actuarial2015 — 2019Bloomington, Illinois

Education

University of Illinois Urbana-ChampaignMaster of Science - MS, Statistics
University of Illinois Urbana-ChampaignBachelor’s Degree, Statistics and Economics
Y CombinatorS19