Founder Directory
Built by Keitoto
Founders10
Known for these resultsRole40%Role is parsed from founder titles in yc.db. Known for 40% 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.Bio90%Bio coverage: 90% 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-company30%Ex-company is matched from bios with employment context (ex-, formerly, worked at). 30% 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.
- Casey Spencer@recnepsyesacFounder/CEO · Voxel EnergyW26Industrials
- Maximilian Thoelen@MaxThoelenFounder · CaseyF25Fintech · San Francisco
- Nico HänggiFounder · CaseyF25Fintech · San Francisco
- Pascal KüngFounder · CaseyF25Fintech · San Francisco
- Casey O'GradyFounder/CEO · BlueshoeX25B2B · Boston
- Casey TrainaFounder/CTO · OverlapS24Consumer · San Francisco
- Casey Wilcox@ioscaseyFounder · Terracotta AIS23B2B
- Casey Harlin@CaseyHarlinFounder · RinseS21Healthcare · San Francisco
- Casey BellFounder/CEO · AecoreS17Real Estate and Construction · San Francisco
- Casey Muller@caseymrmFounder · JamglueS06Consumer · Seattle
FOUNDERROLEBATCHINDUSTRYLOCATIONTEAMX_url
Casey SpencerVoxel EnergyFounder/CEOWinter 2026IndustrialsUnknown3https://x.com/recnepsyesacMaximilian ThoelenCaseyFounderFall 2025FintechSan Francisco, United States5https://x.com/MaxThoelenNico HänggiCaseyFounderFall 2025FintechSan Francisco, United States5—Pascal KüngCaseyFounderFall 2025FintechSan Francisco, United States5—Casey O'GradyBlueshoeFounder/CEOSpring 2025B2BBoston, United States2—Casey TrainaOverlapFounder/CTOSummer 2024ConsumerSan Francisco, United States6—Casey WilcoxTerracotta AIFounderSummer 2023B2BUnknown3https://x.com/ioscaseyCasey HarlinRinseFounderSummer 2021HealthcareSan Francisco, United States6https://x.com/CaseyHarlinCasey BellAecoreFounder/CEOSummer 2017Real Estate and ConstructionSan Francisco, United States6—Casey MullerJamglueFounderSummer 2006ConsumerSeattle, United States2https://x.com/caseymrm
Showing 1–10 of 10 founders
Casey Spencer
Founder/CEO·Voxel Energy
PRIMARY INFO
RoleFounder/CEO
Team size3
BatchWinter 2026
Location
Company statusActive
StageEarly
BIO
Casey is an award winning engineer, and was previously Project Manager of Tesla’s Infotainment/Autopilot team, where he oversaw distribution of prototype hardware. Casey played a key role in Tesla’s “production hell” in 2018, leading teams that built ad-hoc assembly lines, then worked on those lines himself, building Model 3’s.
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
Voxel EnergyEnergy independent data centers with solar and repurposed batteries.
