Founder Directory
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Founders5
Known for these resultsRole60%Role is parsed from founder titles in yc.db. Known for 60% of these rows — the rest have no title at all, mostly 2019–2023. Those rows stay in the result and are counted as Unknown, never as No.Bio100%Bio coverage: 100% of these founders have a bio on their YC profile. Every bio-derived facet (ex-company, school, credentials, discipline) is Unknown for the rest.Ex-company0%Ex-company is matched from bios with employment context (ex-, formerly, worked at). 0% of these rows have at least one match.School40%School is matched from bios, case-sensitive for acronyms. 40% of these rows have at least one match.
- Aaron CoppaFounder/CTO · FullSeamW26B2B
- Geoff SegalFounder/President · FullSeamW26B2B
- Thomas Dowling@thetomdowlingFounder/CEO · FullSeamW26B2B
- Geoff SegalFounder · TaxProperS19Real Estate and Construction · Chicago
- Thomas Dowling@thetomdowlingFounder · TaxProperS19Real Estate and Construction · Chicago
FOUNDERROLEBATCHINDUSTRYLOCATIONTEAMX_url
Aaron CoppaFullSeamFounder/CTOWinter 2026B2BUnknown3—Geoff SegalFullSeam2× YCFounder/PresidentWinter 2026B2BUnknown3—Thomas DowlingFullSeam2× YCFounder/CEOWinter 2026B2BUnknown3https://x.com/thetomdowlingGeoff SegalTaxProper2× YCFounderSummer 2019Real Estate and ConstructionChicago, United States8—Thomas DowlingTaxProper2× YCFounderSummer 2019Real Estate and ConstructionChicago, United States8https://x.com/thetomdowling
Showing 1–5 of 5 founders
Thomas Dowling
Founder/CEO·FullSeam
PRIMARY INFO
RoleFounder/CEO
Team size3
BatchWinter 2026
Location
Company statusActive
StageEarly
BIO
Tom is the co-founder of FullSeam (W26). FullSeam automates work for corporate accounting teams. He previously co-founded TaxProper (S19), the leading property tax software for institutional real estate investors, which was acquired by Opendoor (NASDAQ: OPEN) for 8-figures in 2022. He advised the Mayor of Chicago and was appointed by Illinois Governor JB Pritzker to oversee a $700m/year state agency. He has a BA from UIUC and an MSc from Oxford, where he was a Rhodes Scholar.
Ex-company, school and discipline below are derived from this bio. Nothing is inferred when the bio is missing.
BACKGROUND
Credentialsnone mentioned
DisciplineEngineerKeyword match from the bio text, not a classifier.
TRACK RECORD
2× YC founderVerified prior exitSerial founder · self-declaredExit mentioned in bio
- S19TaxProperAcquired
- W26FullSeamActive · this entry
COMPANY CONTEXT
FullSeamAI agents for corporate accounting teams
