Founder Directory
Built by Keitoto
Founders7
Known for these resultsRole29%Role is parsed from founder titles in yc.db. Known for 29% 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-company100%Ex-company is matched from bios with employment context (ex-, formerly, worked at). 100% of these rows have at least one match.School57%School is matched from bios, case-sensitive for acronyms. 57% of these rows have at least one match.
- Samuel HahnFounder/COO · PetrarchS26B2B · San Francisco
- Chalmers Brown@chalmers_brownFounder/CEO · JarminF25B2B · San Francisco
- Jose Luis Perez@joseleperezFounder · TrackingplanW22B2B · Barcelona
- Valerio MagliuloFounder · AbatableS21Industrials · London
- Jonathan Baker@Jon_M_BakerFounder · AlgoViralS21B2B · London
- Martin Sosic@martinsosicFounder · WaspW21B2B · Zagreb
- David Klein@kleintechFounder · ParadeS20B2B · Seattle
FOUNDERROLEBATCHINDUSTRYLOCATIONTEAMX_url
Samuel HahnPetrarchFounder/COOSummer 2026B2BSan Francisco, United States3—Chalmers BrownJarminFounder/CEOFall 2025B2BSan Francisco, United States5https://x.com/chalmers_brownJose Luis PerezTrackingplanFounderWinter 2022B2BBarcelona, Spain17https://x.com/joseleperezValerio MagliuloAbatableFounderSummer 2021IndustrialsLondon, United Kingdom35—Jonathan BakerAlgoViralFounderSummer 2021B2BLondon, United Kingdom5https://x.com/Jon_M_BakerMartin SosicWaspFounderWinter 2021B2BZagreb, Croatia2https://x.com/martinsosicDavid KleinParadeFounderSummer 2020B2BSeattle, United States5https://x.com/kleintech
Showing 1–7 of 7 founders
Valerio Magliulo
Founder·Abatable
PRIMARY INFO
RoleFounder· not in title
Team size35
BatchSummer 2021
LocationLondon, United Kingdom
Company statusActive
StageEarly
BIO
Valerio has extensive Product and Operations experience across all stages of tech including Uber, where he launched operations in multiple UK cities, Monzo, where he joined as an early employee and grew the product from 30k to 2m customers, Google, where he worked on machine learning applications for healthcare, and most recently Facebook, where he led their global efforts to fight COVID-19 and vaccine misinformation. He’s also a mentor at Techstars and Seedcamp.
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
AbatableCarbon markets platform and solutions
Co-foundersMaria Eugenia Filmanovic
