Founder Directory
Built by Keitoto
Founders370
Known for these resultsRole47%Role is parsed from founder titles in yc.db. Known for 47% 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.Bio86%Bio coverage: 86% 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-company20%Ex-company is matched from bios with employment context (ex-, formerly, worked at). 20% of these rows have at least one match.School32%School is matched from bios, case-sensitive for acronyms. 32% of these rows have at least one match.
- Sirsho C@sirsho29Founder/CTO · antimattrF26Consumer · San Francisco
- Sridipto Ghosh@sridipto_ghoshFounder/CEO · antimattrF26Consumer · San Francisco
- Chris Liu@drxcliuFounder/CTO · DeepReach Inc.S26B2B · San Francisco
- David Khachaturov@davidobot_Founder/CTO · Egoist MachinesS26Consumer · San Francisco
- Erin McGurk@erinmerylstudyFounder/CEO · Egoist MachinesS26Consumer · San Francisco
- Dan Kondratyuk@hyperparticleFounder · rekursiv.aiS26B2B · San Francisco
- Joshua DillonFounder · rekursiv.aiS26B2B · San Francisco
- Jay Chooi@chooi_jeqFounder/CEO · RobocurveS26Industrials · San Francisco
- Justin SoFounder/CEO · SidekickS26B2B · San Francisco
- Amgad Al-ZamkanFounder/CPO · TenorS26B2B · San Francisco
- Hamze Al-ZamkanFounder/CEO · TenorS26B2B · San Francisco
- Muhtasham Oblokulov@Muhtasham9Founder/CTO · TenorS26B2B · San Francisco
- Alexander Urbanski@urban_alex42Founder · UltrasoniumS26Industrials · Boston
- Chris CarterFounder · UltrasoniumS26Industrials · Boston
- Hunter BrownFounder · UltrasoniumS26Industrials · Boston
- Jack QiuFounder/CEO · UltrasoniumS26Industrials · Boston
- Aamir PoonawallaFounder/CTO · Understudy LabsS26B2B · San Francisco
- Luis Manrique@lluismanriqueFounder/CEO · Understudy LabsS26B2B · San Francisco
- Angus Muffatti@dirtmanFounder/CEO · Advanced Metal ResearchX26Industrials · Los Angeles
- Julian Fried@JulianFriedFounder · Advanced Metal ResearchX26Industrials · Los Angeles
FOUNDERROLEBATCHINDUSTRYLOCATIONTEAMX_url
Sirsho CantimattrFounder/CTOFall 2026ConsumerSan Francisco, United States2https://x.com/sirsho29Sridipto GhoshantimattrFounder/CEOFall 2026ConsumerSan Francisco, United States2https://x.com/sridipto_ghoshChris LiuDeepReach Inc.Founder/CTOSummer 2026B2BSan Francisco, United States6https://x.com/drxcliuDavid KhachaturovEgoist MachinesFounder/CTOSummer 2026ConsumerSan Francisco, United States2https://x.com/davidobot_Erin McGurkEgoist MachinesFounder/CEOSummer 2026ConsumerSan Francisco, United States2https://x.com/erinmerylstudyDan Kondratyukrekursiv.aiFounderSummer 2026B2BSan Francisco, United States2https://x.com/hyperparticleJoshua Dillonrekursiv.aiFounderSummer 2026B2BSan Francisco, United States2—Jay ChooiRobocurveFounder/CEOSummer 2026IndustrialsSan Francisco, United States2https://x.com/chooi_jeqJustin SoSidekickFounder/CEOSummer 2026B2BSan Francisco, United States1—Amgad Al-ZamkanTenorFounder/CPOSummer 2026B2BSan Francisco, United States3—Hamze Al-ZamkanTenorFounder/CEOSummer 2026B2BSan Francisco, United States3—Muhtasham OblokulovTenorFounder/CTOSummer 2026B2BSan Francisco, United States3https://x.com/Muhtasham9Alexander UrbanskiUltrasoniumFounderSummer 2026IndustrialsBoston, United States5https://x.com/urban_alex42Chris CarterUltrasoniumFounderSummer 2026IndustrialsBoston, United States5—Hunter BrownUltrasoniumFounderSummer 2026IndustrialsBoston, United States5—Jack QiuUltrasoniumFounder/CEOSummer 2026IndustrialsBoston, United States5—Aamir PoonawallaUnderstudy Labs2× YCFounder/CTOSummer 2026B2BSan Francisco, United States2—Luis ManriqueUnderstudy LabsFounder/CEOSummer 2026B2BSan Francisco, United States2https://x.com/lluismanriqueAngus MuffattiAdvanced Metal ResearchFounder/CEOSpring 2026IndustrialsLos Angeles, United States3https://x.com/dirtmanJulian FriedAdvanced Metal ResearchFounderSpring 2026IndustrialsLos Angeles, United States3https://x.com/JulianFried
Showing 1–20 of 370 founders
Hunter Brown
Founder·Ultrasonium
PRIMARY INFO
RoleFounder· not in title
Team size5
BatchSummer 2026
LocationBoston, United States
Company statusActive
StageEarly
BIO
Founder & VP, Engineering at Ultrasonium Started my R&D career working at national labs by age 15. I have contributed to the ITER fusion reactor and CERN through labs at NHFML and LBNL. I have led teams of fabricators and designers in both research and industry. I am passionate about hard tech and moving groundbreaking research ideas into real products. I lead the Ultrasonium team on the novel and cutting edge technology we implement in our manufacturing process.
Ex-company, school and discipline below are derived from this bio. Nothing is inferred when the bio is missing.
BACKGROUND
No notable employer or school mentioned in the bio.
Credentialsnone mentioned
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
