Founder Directory
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Founders10
Known for these resultsRole60%Role is parsed from founder titles in yc.db. Known for 60% 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-company60%Ex-company is matched from bios with employment context (ex-, formerly, worked at). 60% of these rows have at least one match.School50%School is matched from bios, case-sensitive for acronyms. 50% of these rows have at least one match.
- Adam AlSayyad@adam_alsayyadFounder/CEO · CascadeW26B2B · San Francisco
- Haluk Cem DemirhanFounder/CTO · CascadeW26B2B · San Francisco
- Arlen AbrahamFounder · Cascade SpaceX25Industrials · San Francisco
- Jacob Portukalian@jportukalianFounder/CEO · Cascade SpaceX25Industrials · San Francisco
- Leopold von WaldthausenFounder/CEO · Zeit AIS24B2B · Munich
- Marvin Christopher BornsteinFounder/CTO · Zeit AIS24B2B · Munich
- Lukas HafferFounder/CEO · CascaS23Fintech · San Francisco
- Soy HwangFounder · HumanceW21Real Estate and Construction
- Sunny KimFounder · HumanceW21Real Estate and Construction
- Yon Soo ParkFounder · HumanceW21Real Estate and Construction
FOUNDERROLEBATCHINDUSTRYLOCATIONTEAMX_url
Adam AlSayyadCascadeFounder/CEOWinter 2026B2BSan Francisco, United States2https://x.com/adam_alsayyadHaluk Cem DemirhanCascadeFounder/CTOWinter 2026B2BSan Francisco, United States2—Arlen AbrahamCascade SpaceFounderSpring 2025IndustrialsSan Francisco, United States7—Jacob PortukalianCascade SpaceFounder/CEOSpring 2025IndustrialsSan Francisco, United States7https://x.com/jportukalianLeopold von WaldthausenZeit AIFounder/CEOSummer 2024B2BMunich, Germany12—Marvin Christopher BornsteinZeit AIFounder/CTOSummer 2024B2BMunich, Germany12—Lukas HafferCascaFounder/CEOSummer 2023FintechSan Francisco, United States40—Soy HwangHumanceFounderWinter 2021Real Estate and ConstructionUnknown3—Sunny KimHumanceFounderWinter 2021Real Estate and ConstructionUnknown3—Yon Soo ParkHumanceFounderWinter 2021Real Estate and ConstructionUnknown3—
Showing 1–10 of 10 founders
Sunny Kim
Founder·Humance
PRIMARY INFO
RoleFounder· not in title
Team size3
BatchWinter 2021
LocationRemote
Company statusActive
StageEarly
BIO
Sunny leads Engineering & Innovation at R.care. Prior to founding R.care, she worked as a software engineer / tech lead on Machine Learning projects at YouTube and Google. She later co-founded Seknd, a beauty search and recommendation platform. She is passionate about using technology to bring innovation to underserved industries.
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
HumanceAI that keeps complex construction projects on schedule.
