Founder Directory
Built by Keitoto
Founders4
Known for these resultsRole75%Role is parsed from founder titles in yc.db. Known for 75% 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-company0%Ex-company is matched from bios with employment context (ex-, formerly, worked at). 0% of these rows have at least one match.School0%School is matched from bios, case-sensitive for acronyms. 0% of these rows have at least one match.
- João de Paula@joaopdepaulaFounder/CEO · MesmerX25B2B · Berlin
- Alexander Haddad@AF_HaddadFounder · Kopra BioS24Healthcare · San Francisco
- João de Paula@joaopdepaulaFounder/CTO · GlioS13Consumer · Rio de Janeiro
- Roberto RiccioFounder/CEO · GlioS13Consumer · Rio de Janeiro
FOUNDERROLEBATCHINDUSTRYLOCATIONTEAMX_url
João de PaulaMesmer2× YCFounder/CEOSpring 2025B2BBerlin, Germany7https://x.com/joaopdepaulaAlexander HaddadKopra BioFounderSummer 2024HealthcareSan Francisco, United States2https://x.com/AF_HaddadJoão de PaulaGlio2× YCFounder/CTOSummer 2013ConsumerRio de Janeiro, Brazil2https://x.com/joaopdepaulaRoberto RiccioGlioFounder/CEOSummer 2013ConsumerRio de Janeiro, Brazil2—
Showing 1–4 of 4 founders
Sergio Oliveira Bergmann
Founder·Mesmer
PRIMARY INFO
RoleFounder· not in title
Team size7
BatchSpring 2025
LocationBerlin, Germany
Company statusActive
StageEarly
BIO
Co-founder and VP of Engineering at Mesmer, where we're building AI-powered agents to help tech founders overcome the coordination challenges that arise as their startups scale. With over 15 years of engineering leadership in fintech and digital banking, I've spent my career developing products that transform complex challenges into seamless user experiences. I'm focused on leveraging technology to empower founders, simplify growth, and amplify innovation.
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
COMPANY CONTEXT
MesmerThe operating system for the 100x Engineering Team
