Founder Directory
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Founders4
Known for these resultsRole25%Role is parsed from founder titles in yc.db. Known for 25% 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-company0%Ex-company is matched from bios with employment context (ex-, formerly, worked at). 0% of these rows have at least one match.School100%School is matched from bios, case-sensitive for acronyms. 100% of these rows have at least one match.
- Eren Mendi@erenzmendi03Founder · ExpanseX26B2B · San Francisco
- Ismaeel Bashir@ismaeel_bashir_Founder/CEO · ExpanseX26B2B · San Francisco
- Nikodem Bieniek@nkdem_bFounder · ExpanseX26B2B · San Francisco
- Yafet Melake@yafet_melakeFounder · ExpanseX26B2B · San Francisco
FOUNDERROLEBATCHINDUSTRYLOCATIONTEAMX_url
Eren MendiExpanseFounderSpring 2026B2BSan Francisco, United States4https://x.com/erenzmendi03Ismaeel BashirExpanseFounder/CEOSpring 2026B2BSan Francisco, United States4https://x.com/ismaeel_bashir_Nikodem BieniekExpanseFounderSpring 2026B2BSan Francisco, United States4https://x.com/nkdem_bYafet MelakeExpanseFounderSpring 2026B2BSan Francisco, United States4https://x.com/yafet_melake
Showing 1–4 of 4 founders
Yafet Melake
Founder·Expanse
PRIMARY INFO
RoleFounder· not in title
Team size4
BatchSpring 2026
LocationSan Francisco, United States
Company statusActive
StageEarly
BIO
Yafet is co-founder and COO of Expanse. Built the first GNN-based cluster graph network for predicting SLURM queue wait times at EPCC (Edinburgh’s Parallel Computing Centre). Previously: tooling and infrastructure for researchers at one of the world’s largest quantitative funds (G-Research). Studied Computer Science at the University of Edinburgh.
Ex-company, school and discipline below are derived from this bio. Nothing is inferred when the bio is missing.
BACKGROUND
Credentialsnone mentioned
DisciplineResearcherKeyword match from the bio text, not a classifier.
TRACK RECORD
First YC company on record
COMPANY CONTEXT
ExpanseUnlock wasted GPU capacity.
