Founder Directory
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Founders2
Known for these resultsRole100%Role is parsed from founder titles in yc.db. Known for 100% 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-company50%Ex-company is matched from bios with employment context (ex-, formerly, worked at). 50% of these rows have at least one match.School0%School is matched from bios, case-sensitive for acronyms. 0% of these rows have at least one match.
- Joseph Zhang@sohan_zhangFounder/CEO · CatchBack CardsW26Consumer · San Francisco
- Sophia KimFounder/CPO · CatchBack CardsW26Consumer · San Francisco
FOUNDERROLEBATCHINDUSTRYLOCATIONTEAMX_url
Joseph ZhangCatchBack CardsFounder/CEOWinter 2026ConsumerSan Francisco, United States7https://x.com/sohan_zhangSophia KimCatchBack CardsFounder/CPOWinter 2026ConsumerSan Francisco, United States7—
Showing 1–2 of 2 founders
Joseph Zhang
Founder/CEO·CatchBack Cards
PRIMARY INFO
RoleFounder/CEO
Team size7
BatchWinter 2026
LocationSan Francisco, United States
Company statusActive
StageEarly
BIO
Previously early engineer at a crypto startup building a DEX and NFT launch platform. Former consultant at McKinsey working on AI transformation projects for large enterprises, and software engineer at AWS focused on cloud storage infrastructure. Personally sold over $500K in Pokémon cards, giving deep familiarity with the collectibles ecosystem.
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
CatchBack Cards
The most thrilling way to create and rip digital collectible packs
IndustryConsumer
Websitecatchbackcards.com
Team size7
LocationSan Francisco, United States
BatchWinter 2026
Co-foundersSophia Kim
