Founder Directory
Built by Keitoto
Founders17
Known for these resultsRole53%Role is parsed from founder titles in yc.db. Known for 53% 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.Bio76%Bio coverage: 76% 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-company29%Ex-company is matched from bios with employment context (ex-, formerly, worked at). 29% of these rows have at least one match.School41%School is matched from bios, case-sensitive for acronyms. 41% of these rows have at least one match.
- Eric Silver@2998x10tothe8Founder/CEO · Mass MagneticsS26Industrials · Boston
- Matthew Groll@matthewxgrollFounder/CTO · Mass MagneticsS26Industrials · Boston
- Edward HinsonFounder · Zephyr FusionF25Industrials · San Diego
- Galen BurkeFounder · Zephyr FusionF25Industrials · San Diego
- Patrick FayFounder/CTO · MagneticS25B2B · San Francisco
- Thomas Shelley@tsh3llFounder/CEO · MagneticS25B2B · San Francisco
- Daniel Hensley@dw_hensleyFounder · DriverW24B2B · Austin
- Alexander von BoetticherFounder · CogramW22B2B · New York
- Jimmy Qian@JimmyJQianFounder · OsmindS20Healthcare · San Francisco
- Lucia HuangFounder · OsmindS20Healthcare · San Francisco
- Chris PihlFounder · Sigma GeneticsW17Healthcare · Seattle
- Karen Eaton@DrKeatonFounder/CEO · Sigma GeneticsW17Healthcare · Seattle
- Matthew ScholzFounder · Sigma GeneticsW17Healthcare · Seattle
- Antonio SierraFounder/Vice President, Customer Success · GigwellW16B2B · Los Angeles
- Glade LucoFounder/CTO · GigwellW16B2B · Los Angeles
- Jeremie HabibFounder/CEO · GigwellW16B2B · Los Angeles
- Marcus Foster@schlunziFounder/CEO · KlarismoS15Healthcare · San Francisco
FOUNDERROLEBATCHINDUSTRYLOCATIONTEAMX_url
Eric SilverMass MagneticsFounder/CEOSummer 2026IndustrialsBoston, United States3https://x.com/2998x10tothe8Matthew GrollMass MagneticsFounder/CTOSummer 2026IndustrialsBoston, United States3https://x.com/matthewxgrollEdward HinsonZephyr FusionFounderFall 2025IndustrialsSan Diego, United States2—Galen BurkeZephyr FusionFounderFall 2025IndustrialsSan Diego, United States2—Patrick FayMagneticFounder/CTOSummer 2025B2BSan Francisco, United States10—Thomas ShelleyMagneticFounder/CEOSummer 2025B2BSan Francisco, United States10https://x.com/tsh3llDaniel HensleyDriverFounderWinter 2024B2BAustin, United States15https://x.com/dw_hensleyAlexander von BoetticherCogramFounderWinter 2022B2BNew York, United States15—Jimmy QianOsmindFounderSummer 2020HealthcareSan Francisco, United States55https://x.com/JimmyJQianLucia HuangOsmindFounderSummer 2020HealthcareSan Francisco, United States55—Chris PihlSigma Genetics2× YCFounderWinter 2017HealthcareSeattle, United States2—Karen EatonSigma GeneticsFounder/CEOWinter 2017HealthcareSeattle, United States2https://x.com/DrKeatonMatthew ScholzSigma GeneticsFounderWinter 2017HealthcareSeattle, United States2—Antonio SierraGigwellFounder/Vice President, Customer SuccessWinter 2016B2BLos Angeles, United States12—Glade LucoGigwellFounder/CTOWinter 2016B2BLos Angeles, United States12—Jeremie HabibGigwellFounder/CEOWinter 2016B2BLos Angeles, United States12—Marcus FosterKlarismoFounder/CEOSummer 2015HealthcareSan Francisco, United States10https://x.com/schlunzi
Showing 1–17 of 17 founders
Matthew Groll
Founder/CTO·Mass Magnetics
PRIMARY INFO
RoleFounder/CTO
Team size3
BatchSummer 2026
LocationBoston, United States
Company statusActive
StageEarly
BIO
Co-founder and CTO at Mass Magnetics. Former NASA/Columbia/MIT. Previously worked on thermal systems and guidance/navigation at NASA Johnson Space Center for ISS and Artemis lunar missions. Also previously worked as a Member of Technical Staff at Draper Laboratory. Studied Mechanical Engineering at Columbia, captaining the Formula SAE team and Robotics Club, then earned a Masters in Manufacturing from MIT.
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
First YC company on record
COMPANY CONTEXT
Mass MagneticsUSA-made magnetics for aerospace, robotics, and defense.
IndustryIndustrials
Websitemassmagnetics.com/
Team size3
X—
LocationBoston, United States
BatchSummer 2026
Co-foundersEric Silver@2998x10tothe8
