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Theodore Janson

Founder

Founder at FINNY AI

New York, New York, United States

FoundedFINNY AI · YC

30 Under 30 2026 · AI

Find your path to Theodore

11,089 people in our graph share verified history with Theodore — schools, employers, funds. One of them is your warm intro.

Clémence Lamarque-CaritéunlockedTheodore: together at École Polytechnique (2022)
×4Theodore: together at McGill University
×6Theodore: together at Forbes 30 Under 30
Theodore: together at Y Combinator

About

Theodore Janson is co-founder and CTO at FINNY AI. He previously worked as an applied machine learning engineer at an early-stage fintech startup developing statistical models and large language models for financial analysis, and held research positions in LLM explainability and particle physics. He holds degrees in electrical engineering and computer science from École Polytechnique and McGill University.

Founder at FINNY AIYC S24

Intro paths

YC

Theodore went through Y Combinator (Summer 2024) — any YC alum in your network can reach them through the YC community.

GP

Their group partner at YC was Jon Xu, General Partner at Y Combinator — the partner who ran FINNY AI's batch and knows the company first-hand. YC profile ↗

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In turn, Theodore can intro founders to FINNY AI's investors below.

FINNY AI's investors · 6

Activant CapitalNew York · $100K – $50M checks · since 2016Financial Venture StudioSan Jose · since 2016Maple VCSan Francisco · $500K – $1.5M checks · since 2025Restive VenturesSan Jose · $50K – $2.5M checks · since 2016VenrockPalo Alto · $500K – $10M checks · since 2025Y CombinatorSan Francisco · $500K checks · since 2024

Co-founders at FINNY AI

EOEden Ovadia
Eden OvadiaFounder
VTVictoria Toli
Victoria ToliFounder

Experience

  1. FINNY (YC S24)Co-Founder & CTOcurrent2023 — presentNew York, NY
  2. SFJ Technologies LLCML Engineer2022 — 2023New York, NY
  3. Craft AIML Research2023Paris
  4. McGill UniversityResearch Assistant2021Montreal, QC
  5. Sargent's Bay Yacht ClubHead Race Coach2017 — 2019
  6. ValtechMarketing and Data Analytics Intern2018Montreal, Quebec, Canada

Skills & more

Deep Learning5Machine Learning5Natural Language Processing (NLP)2PyTorch4

Languages English · French

From Theodore's professional profile.

Frequently asked questions

Who is Theodore Janson?
Theodore Janson is co-founder and CTO at FINNY AI. He previously worked as an applied machine learning engineer at an early-stage fintech startup developing statistical models and large language models for financial analysis, and held research positions in LLM explainability and particle physics. He holds degrees in electrical engineering and computer science from École Polytechnique and McGill University.
Where does Theodore Janson work?
Theodore Janson is Founder of FINNY AI.
What companies did Theodore Janson found?
Theodore Janson founded FINNY AI.
Where did Theodore Janson go to school?
Theodore Janson studied at Y Combinator; École Polytechnique (Master of Science - MS, Artificial Intelligence); McGill University (Bachelor of Engineering - BE, Major Electrical Engineering).

Founder mafias

Selwyn House School mafia3

Also came through, then founded or led a company.

Norman FioreFounded Dawn CapitalPhil CutlerFounded Paper

Same school

Shared employers