Founder Directory
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Founders94
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.Bio78%Bio coverage: 78% 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.School32%School is matched from bios, case-sensitive for acronyms. 32% of these rows have at least one match.
- An Zhu Liu@an_zhu_liuFounder/CEO · FamiliarS26B2B · Toronto
- Mingi KwonFounder · FamiliarS26B2B · Toronto
- Xu ZhengFounder · FamiliarS26B2B · Toronto
- Abraham Heifets@AbeHeifetsFounder/CEO · WonderTxS26Healthcare · San Francisco
- Sam RogersFounder/CEO · Brumby (Formerly GrazeMate)W26Industrials · Sydney
- Krish Iyengar@Krish5IyengarFounder/CEO · Pixley AIF25Consumer · Los Angeles
- Pranit Agrawal@PranitAgrawal4Founder/CTO · Pixley AIF25Consumer · Los Angeles
- Aden Clemente@adencleFounder/CTO · EffiGovS25Government · San Francisco
- Aubteen Pour-Biazar@AubteenPBFounder/CEO · EffiGovS25Government · San Francisco
- Shraman Kar@ShramanKarFounder/CTO · GolpoS25B2B · San Francisco
- Shreyas Kar@KarShreyasFounder/CEO · GolpoS25B2B · San Francisco
- Chia-Lun Wu@leowuheraFounder/CTO · HeraS25B2B · Berlin
- Peter Tribelhorn@tribelhorn23Founder/CEO · HeraS25B2B · Berlin
- Arjun Talati@arjuntalatiFounder/CPO · KnowlifyS25B2B · San Francisco
- Jonathan MaynardFounder/COO · KnowlifyS25B2B · San Francisco
- Ritam RanaFounder/CEO · KnowlifyS25B2B · San Francisco
- Ritvik VaradaFounder/CTO · KnowlifyS25B2B · San Francisco
- Kenneth Chan@kennychan256Founder · Nexa LabsS25Industrials · San Francisco
- Zarif Azher@ZarifAzherFounder/CEO · Nexa LabsS25Industrials · San Francisco
- Gabriel Ocana Santero@OcanaSanteroFounder/CEO · Exin TherapeuticsW25Healthcare · San Francisco
FOUNDERROLEBATCHINDUSTRYLOCATIONTEAMX_url
An Zhu LiuFamiliarFounder/CEOSummer 2026B2BToronto, Canada7https://x.com/an_zhu_liuMingi KwonFamiliarFounderSummer 2026B2BToronto, Canada7—Xu ZhengFamiliarFounderSummer 2026B2BToronto, Canada7—Abraham HeifetsWonderTx2× YCFounder/CEOSummer 2026HealthcareSan Francisco, United States3https://x.com/AbeHeifetsSam RogersBrumby (Formerly GrazeMate)Founder/CEOWinter 2026IndustrialsSydney, Australia3—Krish IyengarPixley AIFounder/CEOFall 2025ConsumerLos Angeles, United States2https://x.com/Krish5IyengarPranit AgrawalPixley AIFounder/CTOFall 2025ConsumerLos Angeles, United States2https://x.com/PranitAgrawal4Aden ClementeEffiGovFounder/CTOSummer 2025GovernmentSan Francisco, United States3https://x.com/adencleAubteen Pour-BiazarEffiGovFounder/CEOSummer 2025GovernmentSan Francisco, United States3https://x.com/AubteenPBShraman KarGolpoFounder/CTOSummer 2025B2BSan Francisco, United States7https://x.com/ShramanKarShreyas KarGolpoFounder/CEOSummer 2025B2BSan Francisco, United States7https://x.com/KarShreyasChia-Lun WuHeraFounder/CTOSummer 2025B2BBerlin, Germany5https://x.com/leowuheraPeter TribelhornHeraFounder/CEOSummer 2025B2BBerlin, Germany5https://x.com/tribelhorn23Arjun TalatiKnowlifyFounder/CPOSummer 2025B2BSan Francisco, United States6https://x.com/arjuntalatiJonathan MaynardKnowlifyFounder/COOSummer 2025B2BSan Francisco, United States6—Ritam RanaKnowlifyFounder/CEOSummer 2025B2BSan Francisco, United States6—Ritvik VaradaKnowlifyFounder/CTOSummer 2025B2BSan Francisco, United States6—Kenneth ChanNexa LabsFounderSummer 2025IndustrialsSan Francisco, United States3https://x.com/kennychan256Zarif AzherNexa LabsFounder/CEOSummer 2025IndustrialsSan Francisco, United States3https://x.com/ZarifAzherGabriel Ocana SanteroExin TherapeuticsFounder/CEOWinter 2025HealthcareSan Francisco, United States9https://x.com/OcanaSantero
Showing 1–20 of 94 founders
Johan Mathe
Founder·Atmo
PRIMARY INFO
RoleFounder· not in title
Team size10
BatchWinter 2020
LocationSan Francisco, United States
Company statusActive
StageGrowth
BIO
As co-founder and CTO of Atmo, Johan spearheads groundbreaking advancements in climate and weather science, leveraging AI, applied mathematics, and distributed systems. His lifelong mission is to bring applied mathematics and AI to the physical sciences. His expertise is backed by an 8-year tenure at Google, including Google X's Project Loon, where he lead critical efforts in the planning and simulation, and as a founding team member of Caption Health (acq. 2023) and Apollo Fusion (IPO 2021).
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
