Founder Directory
Built by Keitoto
Founders28
Known for these resultsRole46%Role is parsed from founder titles in yc.db. Known for 46% 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.Bio75%Bio coverage: 75% 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-company14%Ex-company is matched from bios with employment context (ex-, formerly, worked at). 14% of these rows have at least one match.School18%School is matched from bios, case-sensitive for acronyms. 18% of these rows have at least one match.
- Bernard Xie@berniex_xFounder · KestralX25B2B · San Francisco
- Brian Kim@BrianYKim_BYKFounder/CEO · KestralX25B2B · San Francisco
- João de Paula@joaopdepaulaFounder/CEO · MesmerX25B2B · Berlin
- Lucas SilvaFounder/CTO · MesmerX25B2B · Berlin
- Sergio Oliveira Bergmann@SergioOBergmannFounder · MesmerX25B2B · Berlin
- Bardia Safari@bardia_safariFounder/CEO · OliveW25B2B · San Francisco
- Shrey Gupta@shreygupsFounder/CTO · OliveW25B2B · San Francisco
- Sahil Sinha@Sahils2ndFounder/CEO · Solari AIW24B2B · New York
- Faraz RanaFounder · AffinityS23B2B · New York
- Peter GrecznerFounder · AffinityS23B2B · New York
- Kevin Simons@ksimonsFounder · KitemakerW21B2B · Oslo
- Sigurd Seteklev@SigurdSeteklevFounder · KitemakerW21B2B · Oslo
- Dragos FotescuFounder · DucklyS20B2B · San Francisco
- Alex CornellFounder · CocoonW19Consumer · San Francisco
- Sachin MongaFounder · CocoonW19Consumer · San Francisco
- Jay Patel@jayismsFounder · HeraldW19B2B · San Francisco
- Nilkanth Patel@nilkanthjpFounder · HeraldW19B2B · San Francisco
- Jayanth KottapalliFounder · UbiqS16B2B · Boston
- Sumit PasupalakFounder · UbiqS16B2B · Boston
- James Cundle@jamescundleFounder/CTO · MioW16B2B · Austin
FOUNDERROLEBATCHINDUSTRYLOCATIONTEAMX_url
Bernard XieKestralFounderSpring 2025B2BSan Francisco, United States3https://x.com/berniex_xBrian KimKestralFounder/CEOSpring 2025B2BSan Francisco, United States3https://x.com/BrianYKim_BYKJoão de PaulaMesmer2× YCFounder/CEOSpring 2025B2BBerlin, Germany7https://x.com/joaopdepaulaLucas SilvaMesmerFounder/CTOSpring 2025B2BBerlin, Germany7—Sergio Oliveira BergmannMesmerFounderSpring 2025B2BBerlin, Germany7https://x.com/SergioOBergmannBardia SafariOliveFounder/CEOWinter 2025B2BSan Francisco, United States2https://x.com/bardia_safariShrey GuptaOliveFounder/CTOWinter 2025B2BSan Francisco, United States2https://x.com/shreygupsSahil SinhaSolari AIFounder/CEOWinter 2024B2BNew York, United States1https://x.com/Sahils2ndFaraz RanaAffinityFounderSummer 2023B2BNew York, United States2—Peter GrecznerAffinityFounderSummer 2023B2BNew York, United States2—Kevin SimonsKitemakerFounderWinter 2021B2BOslo, Norway5https://x.com/ksimonsSigurd SeteklevKitemakerFounderWinter 2021B2BOslo, Norway5https://x.com/SigurdSeteklevDragos FotescuDucklyFounderSummer 2020B2BSan Francisco, United States5—Alex CornellCocoonFounderWinter 2019ConsumerSan Francisco, United States6—Sachin MongaCocoonFounderWinter 2019ConsumerSan Francisco, United States6—Jay PatelHeraldFounderWinter 2019B2BSan Francisco, United States2https://x.com/jayismsNilkanth PatelHeraldFounderWinter 2019B2BSan Francisco, United States2https://x.com/nilkanthjpJayanth KottapalliUbiqFounderSummer 2016B2BBoston, United States6—Sumit PasupalakUbiqFounderSummer 2016B2BBoston, United States6—James CundleMioFounder/CTOWinter 2016B2BAustin, United States12https://x.com/jamescundle
Showing 1–20 of 28 founders
João de Paula
Founder/CTO·Glio
PRIMARY INFO
RoleFounder/CTO
Team size2
BatchSummer 2013
LocationRio de Janeiro, Brazil
Company statusInactive
StageEarly
BIO
Co-Founder and CEO at Mesmer (P25), the operating system for agentic engineering teams. Previously cofounder at Origin Financial ($400M) and Glio (S13), first LatAm company to go through YC. Serial entrepreneur, self-taught engineer, and product leader with 15 years of experience making something people love.
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
2× YC founderSerial founder · self-declared
- S13GlioInactive · this entry
- X25MesmerActive
COMPANY CONTEXT
Also founded · 1 more YC company
MesmerActiveSpring 2025The operating system for the 100x Engineering Team
B2BBerlin, Germany7Open this entry
