A collection of frameworks that shape how I approach investing. Fundamentals and first principles - less about what to buy and more about how to think.
Foundations
The rules of the game - risk, time, incentives, compounding
Why knowing something is not the same as being paid for it
A look at process vs outcome
Defining risk in investing
The tide beneath assets
Mental Models for Uncertain Markets
Probabilities, decision-making, and staying rational under pressure
Check the supply side
Unforced errors
It's warmer in the herd
Valuation Tools & Models
Tools for translating narratives into numbers
The gold standard of valuation.
Comparison and context
Decoding multiples
What's already priced in?
Operating performance & market expectations
Economics & Macro
Rates, cycles and liquidity
UK Investing
Vehicles, taxes, and practical considerations for investing in the UK
Field Notes
Experiential learning
Notes and reflections from the partnership years through Berkshire Hathaway (1957 - 2025)
My love-hate relationship with technical analysis