Founder Directory
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Founders11
Known for these resultsRole45%Role is parsed from founder titles in yc.db. Known for 45% 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-company18%Ex-company is matched from bios with employment context (ex-, formerly, worked at). 18% of these rows have at least one match.School55%School is matched from bios, case-sensitive for acronyms. 55% 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
- Dylan Nguyen@dynguyen0Founder/CTO · Code FourX25Government · San Francisco
- George Cheng@gcheng713Founder/CEO · Code FourX25Government · San Francisco
- Nicole LuFounder/CEO · sieveX25B2B · New York
- Dimitris Fotis Sakellariou@dsacellariusFounder/CEO · PiramidalW24Healthcare · New York
- Mauricio Morales@maomoralesFounder · DailybotS21B2B
- Sergio Florez@XergioAleXFounder · DailybotS21B2B
- Benjamin Netter@benjaminnetterFounder · RiotW20B2B · Paris
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_melakeDylan NguyenCode FourFounder/CTOSpring 2025GovernmentSan Francisco, United States3https://x.com/dynguyen0George ChengCode FourFounder/CEOSpring 2025GovernmentSan Francisco, United States3https://x.com/gcheng713Nicole LusieveFounder/CEOSpring 2025B2BNew York, United States2—Dimitris Fotis SakellariouPiramidalFounder/CEOWinter 2024HealthcareNew York, United States10https://x.com/dsacellariusMauricio MoralesDailybotFounderSummer 2021B2BUnknown11https://x.com/maomoralesSergio FlorezDailybotFounderSummer 2021B2BUnknown11https://x.com/XergioAleXBenjamin NetterRiotFounderWinter 2020B2BParis, France160https://x.com/benjaminnetter
Showing 1–11 of 11 founders
Dimitris Fotis Sakellariou
Founder/CEO·Piramidal
PRIMARY INFO
RoleFounder/CEO
Team size10
BatchWinter 2024
LocationNew York, United States
Company statusActive
StageEarly
BIO
Founder and CEO at Piramidal. Spent four years at IQVIA shipping foundational AI code to production scaled for pharma and healthcare clients. Have conducted EEG research for 12 years, authored peer reviewed publications, spent more than four years in research hospitals conducting long-term EEG recordings, reviewing EEG recordings with expert epileptologists, participated in brain surgeries, and built capability around the brain. King's College London alum.
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
DisciplineResearcherKeyword match from the bio text, not a classifier.
TRACK RECORD
First YC company on record
