Sergio Charles
FounderCo-Founder & CEO at Thesis
San Francisco, California, United States
FoundedThesis · YC
About
Sergio Charles has conducted AI research at Google X, Nvidia, and Stanford's AI Lab. He holds a B.S. in Mathematics and Computer Science and an M.S. in Statistics from Stanford.
Co-Founder & CEO at ThesisYC F25
Intro paths
Sergio went through Y Combinator (Fall 2025) — any YC alum in your network can reach them through the YC community.
Their group partner at YC was Tom Blomfield, Monzo and GoCardless co-founder; Y Combinator partner on leave and Anthropic compute-team member. — the partner who ran Thesis's batch and knows the company first-hand. YC profile ↗
In turn, Sergio can intro founders to Thesis's investors below.
Thesis's investors · 4
Co-founders at Thesis
Experience
- Thesis (YC F25)Co-Founder & CEOcurrent2025 — presentSan Francisco, CA
- X, The Moonshot FactoryAI Resident2025Mountain View, California, United States
- Stanford University Department of Computer ScienceCourse Assistant2024 — 2025
- QuantResQuantitative Research2023 — 2024
- Stanford Artificial Intelligence Laboratory (SAIL)Research Assistant2022 — 2023Stanford, California, United States
- Stanford Artificial Intelligence Laboratory (SAIL)CURIS Research Fellow2022Stanford, California, United States
- Stanford Artificial Intelligence Laboratory (SAIL)Research Assistant2021 — 2022Stanford, California, United States
- NVIDIADeep Learning Research2021Santa Clara, California, United States
- Society for Science & the PublicSTS Regeneron2017 — 2019
Skills & more
+10 more
AlgorithmsReal AnalysisAlgebraic GeometryDifferential EquationsLinear AlgebraAlgebraic TopologyMobile Application DevelopmentDeep LearningArtificial Intelligence (AI)Reinforcement LearningFrom Sergio's professional profile.
Frequently asked questions
- Who is Sergio Charles?
- Sergio Charles has conducted AI research at Google X, Nvidia, and Stanford's AI Lab. He holds a B.S. in Mathematics and Computer Science and an M.S. in Statistics from Stanford.
- Where does Sergio Charles work?
- Sergio Charles is Co-Founder & CEO of Thesis.
- What companies did Sergio Charles found?
- Sergio Charles founded Thesis.
- Where did Sergio Charles go to school?
- Sergio Charles studied at Stanford University (Master of Science - MS, Statistics); Stanford University (Bachelor of Science - BS, Mathematics); University of Oxford (Visiting Student, Mathematics).
Founder mafias
Y Combinator mafia8,773
Also came through, then founded or led a company.
+ 8,766 more
Stanford University mafia903
Also came through, then founded or led a company.
+ 896 more
University of Oxford mafia290
Also came through, then founded or led a company.
+ 283 more
NVIDIA mafia81
Also came through, then founded or led a company.
+ 74 more
Lyford Cay International School mafia2
Also came through, then founded or led a company.
Same school
Also attended Stanford University2,000
+ 1,994 more
Also attended University of Oxford990
+ 984 more
Also attended Lyford Cay International School1
Shared employers
Also worked at Thesis (YC F25)1
Also worked at X, The Moonshot Factory48
+ 42 more
Also worked at QuantRes2
Also worked at Stanford Artificial Intelligence Laboratory (SAIL)36
+ 30 more
































