Founder Directory
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Founders7
Known for these resultsRole29%Role is parsed from founder titles in yc.db. Known for 29% 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-company14%Ex-company is matched from bios with employment context (ex-, formerly, worked at). 14% of these rows have at least one match.School100%School is matched from bios, case-sensitive for acronyms. 100% of these rows have at least one match.
- Alex Southmayd@alexsouthmaydFounder/CEO · BloomyS26Education · San Francisco
- Alexander Urbanski@urban_alex42Founder · UltrasoniumS26Industrials · Boston
- Anthony Ter-SaakovFounder · OddsViewW24Consumer · New York
- Elliot TagueFounder · SynsoryBioW24Healthcare · Boston
- Ricardo Villarreal Chapa@ricardo_vchFounder · RioS22Fintech · Mexico City
- Henry Lee@hhleeFounder · Kern SystemsS19Healthcare · Boston
- Oleg Rogynskyy@OlegRFounder/CEO · People.aiS16B2B · San Francisco
FOUNDERROLEBATCHINDUSTRYLOCATIONTEAMX_url
Alex SouthmaydBloomyFounder/CEOSummer 2026EducationSan Francisco, United States1https://x.com/alexsouthmaydAlexander UrbanskiUltrasoniumFounderSummer 2026IndustrialsBoston, United States5https://x.com/urban_alex42Anthony Ter-SaakovOddsViewFounderWinter 2024ConsumerNew York, United States5—Elliot TagueSynsoryBioFounderWinter 2024HealthcareBoston, United States2—Ricardo Villarreal ChapaRioFounderSummer 2022FintechMexico City, Mexico10https://x.com/ricardo_vchHenry LeeKern SystemsFounderSummer 2019HealthcareBoston, United States3https://x.com/hhleeOleg RogynskyyPeople.aiFounder/CEOSummer 2016B2BSan Francisco, United States300https://x.com/OlegR
Showing 1–7 of 7 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
