Founder Directory
Built by Keitoto
Founders4
Known for these resultsRole25%Role is parsed from founder titles in yc.db. Known for 25% 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.School75%School is matched from bios, case-sensitive for acronyms. 75% of these rows have at least one match.
- Alexander Urbanski@urban_alex42Founder · UltrasoniumS26Industrials · Boston
- Chris CarterFounder · UltrasoniumS26Industrials · Boston
- Hunter BrownFounder · UltrasoniumS26Industrials · Boston
- Jack QiuFounder/CEO · UltrasoniumS26Industrials · Boston
FOUNDERROLEBATCHINDUSTRYLOCATIONTEAMX_url
Alexander UrbanskiUltrasoniumFounderSummer 2026IndustrialsBoston, United States5https://x.com/urban_alex42Chris CarterUltrasoniumFounderSummer 2026IndustrialsBoston, United States5—Hunter BrownUltrasoniumFounderSummer 2026IndustrialsBoston, United States5—Jack QiuUltrasoniumFounder/CEOSummer 2026IndustrialsBoston, United States5—
Showing 1–4 of 4 founders
Chris Carter
Founder·Ultrasonium
PRIMARY INFO
RoleFounder· not in title
Team size5
BatchSummer 2026
LocationBoston, United States
Company statusActive
StageEarly
BIO
Founder & Chief Scientific Officer at Ultrasonium. PhD candidate on leave from MIT researching novel metal matrix materials and 3D printed metal heat treatments under NSF GRFP, MIT UCEM, GEM, and .406 Venture fellowship programs. Previously at Argonne National Laboratory working on additively manufactured steel. Led metal melt pool simulations for NASA-funded multi-university project. MS in Mechanical Engineering from MIT, BS from University of South Carolina.
Ex-company, school and discipline below are derived from this bio. Nothing is inferred when the bio is missing.
BACKGROUND
CredentialsPhD
DisciplineResearcherKeyword match from the bio text, not a classifier.
TRACK RECORD
First YC company on record
COMPANY CONTEXT
UltrasoniumManufacturing the metal parts the world runs on faster, cheaper, safer
