Fundraising Fox
/People
Sign in

Charles Weill

Founder

Founder at CreatorML

New York, New York, United States

FoundedCreatorML · YC

Find your path to Charles

10,200 people in our graph share verified history with Charles — schools, employers, funds. One of them is your warm intro.

Boris RevsinunlockedCharles: together at xAI (2026)
×4Charles: together at YC W23
Charles: together at xAI
×6Charles: together at Y Combinator

About

Charles Weill previously worked in machine learning research at Google AI. He founded CreatorML, which applies machine learning to help content creators optimize video performance through data-driven recommendations on ideation, titling, and thumbnails.

Founder at CreatorMLYC W23

Intro paths

YC

Charles went through Y Combinator (Winter 2023) — any YC alum in your network can reach them through the YC community.

GP

Their group partner at YC was Jared Friedman, YC Group Partner — the partner who ran CreatorML's batch and knows the company first-hand. YC profile ↗

→

In turn, Charles can intro founders to CreatorML's investors below.

CreatorML's investors · 3

Amino CapitalPalo Alto · $100K – $10M checksGoodwater CapitalBurlingame · $5M – $50M checksY CombinatorSan Francisco · $150K checks · since 2023

Experience

  1. xAIMember of Technical Staff2026Palo Alto, CA
  2. CreatorML (YC W23)Founder2022 — 2025Manhattan, New York, United States
  3. GoogleSenior Research Engineer2015 — 2021Manhattan, NY

Skills & more

PyTorch1Rust (Programming Language)YouTube1YouTube AnalyticsTensorflow1Python5C++C1GitPython (Programming Language)1Kubernetes1Large Language Models (LLM)
+12 moreStartupsAutomated Machine Learning (AutoML)Predictive AnalyticsMachine LearningDistributed SystemsArtificial IntelligenceBig DataNumPyGoDeep LearningNeural NetworksArtificial Intelligence (AI)

Languages English · French

From Charles's professional profile.

Frequently asked questions

Who is Charles Weill?
Charles Weill previously worked in machine learning research at Google AI. He founded CreatorML, which applies machine learning to help content creators optimize video performance through data-driven recommendations on ideation, titling, and thumbnails.
Where does Charles Weill work?
Charles Weill is Founder of CreatorML.
What companies did Charles Weill found?
Charles Weill founded CreatorML.
Where did Charles Weill go to school?
Charles Weill studied at Y Combinator (YC W23 Founder); Cornell University (Master of Engineering (M.Eng.), Computer Science); Cornell University (Bachelor of Science (B.S.) Summa Cum Laude).

Founder mafias

Same school

Shared employers