Founder Directory
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Founders11
Known for these resultsRole73%Role is parsed from founder titles in yc.db. Known for 73% 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-company9%Ex-company is matched from bios with employment context (ex-, formerly, worked at). 9% of these rows have at least one match.School27%School is matched from bios, case-sensitive for acronyms. 27% of these rows have at least one match.
- Armin Kiani@xarminFounder/COO · HubX26B2B · San Francisco
- Tim Sprecher@tim404xFounder/CEO · HubX26B2B · San Francisco
- Grace Li@grx_xceFounder/CEO · Design ArenaS25Consumer · San Francisco
- Kamryn Ohly@kamrynohlyFounder/CTO · Design ArenaS25Consumer · San Francisco
- Erik DuhaimeFounder · CentaurW19Healthcare · Boston
- Tom GellatlyFounder · CentaurW19Healthcare · Boston
- Zach RausnitzFounder · CentaurW19Healthcare · Boston
- Patrick QuadeFounder/CEO · DinesafeS18Healthcare · Austin
- Ajinkya Malasane (AJ)@calledasajFounder/Head of Business · PlaymentW17B2B · Bengaluru
- Akshay LalCo-Founder & Head of Product · PlaymentW17B2B · Bengaluru
- Siddharth MallFounder/| CEO · PlaymentW17B2B · Bengaluru
FOUNDERROLEBATCHINDUSTRYLOCATIONTEAMX_url
Armin KianiHubFounder/COOSpring 2026B2BSan Francisco, United States10https://x.com/xarminTim SprecherHubFounder/CEOSpring 2026B2BSan Francisco, United States10https://x.com/tim404xGrace LiDesign ArenaFounder/CEOSummer 2025ConsumerSan Francisco, United States3https://x.com/grx_xceKamryn OhlyDesign ArenaFounder/CTOSummer 2025ConsumerSan Francisco, United States3https://x.com/kamrynohlyErik DuhaimeCentaurFounderWinter 2019HealthcareBoston, United States45—Tom GellatlyCentaurFounderWinter 2019HealthcareBoston, United States45—Zach RausnitzCentaurFounderWinter 2019HealthcareBoston, United States45—Patrick QuadeDinesafeFounder/CEOSummer 2018HealthcareAustin, United States6—Ajinkya Malasane (AJ)PlaymentFounder/Head of BusinessWinter 2017B2BBengaluru, India50https://x.com/calledasajAkshay LalPlaymentCo-Founder & Head of ProductWinter 2017B2BBengaluru, India50—Siddharth MallPlaymentFounder/| CEOWinter 2017B2BBengaluru, India50—
Showing 1–11 of 11 founders
Zach Rausnitz
Founder·Centaur
PRIMARY INFO
RoleFounder· not in title
Team size45
BatchWinter 2019
LocationBoston, United States
Company statusActive
StageGrowth
BIO
I'm a self-taught, generalist software engineer. I cofounded Centaur Labs in 2017. Previously I worked as a full-stack software engineer at Washington City Paper, where many notable people in media got their start.
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
DisciplineEngineerKeyword match from the bio text, not a classifier.
TRACK RECORD
First YC company on record
COMPANY CONTEXT
CentaurWe Create Superior Data By Making Annotation Competitive
