About
I dropped out of École Normale Supérieure at 21 to build Doctrine, which became Europe’s largest legal information platform with 25,000 customers. We sold Doctrine to Summit Partners, a private equity firm, in 2023, and then to LexisNexis.
I moved to San Francisco and started Fintool, born out of my admiration for Buffett and Munger. I wanted to build an AI that could analyze businesses exactly like Warren does: reading filings, building conviction one annual report at a time. Fintool was backed by Y Combinator, Anthology Fund, and Menlo Ventures, and acquired by Microsoft in March 2026.
Now at Microsoft, I lead a team building proactive AI agents that understand your work, operate in the background, and get things done before you ask.
Outside of work, I train Brazilian jiu jitsu and bike around San Francisco.
Writings
- My Agent Stack For Automating My Personal Life
- Long Running Agent Engineering
- Model-Harness-Fit
- Agent Memory Engineering
- Hard Lessons Building Agents Since GPT-3.5
- Microsoft Has Acquired Fintool
- 10 Years Building Vertical Software: My Perspective on the Selloff
- The LLM Context Tax: Best Tips for Tax Avoidance
- The Crumbling Workflow Moat: Aggregation Theory's Final Chapter
- ChatGPT Killed the Web: For the Better?
- LLMs Eat Scaffolding for Breakfast
- Lessons from Building AI Agents for Financial Services
- Model-Market Fit
- Are LLMs Plateauing? No. You Are.
- The RAG Obituary: Killed by Agents, Buried by Context Windows
- Fintool, Warren Buffett as a Service
- How to build a shitty product
- Burning Billions: The Gamble Behind Training LLM Models
- What We Learned Building the Largest GPT-Telegram Bot
- The End of My Crypto Explorations
- Startups Selling Sand in the Desert
- Panic in Startupland!
- Where is Your Fire Phone?
- Look How Big My Team is!
- Death by Fundraising
- Putting your Reputation at Risk
- Incentive and Skin in the Game
- How much Leverage?
- Surviving Capitalism with Competitive Moats
- How to Calculate Intrinsic Value
- How to Buy Back Shares
- How to Reinvest Earnings
- The Dichotomy of Leadership
- Margin of Safety
- Leadership Lessons Learned in Combat
- The Power of the OKR Framework
- Compounding with Long-Term People
- Facing the Innovator's Dilemma
- The Intelligent CEO
- The Impact of the Highly Improbable