Prem Watsa

Watsa has written Fairfax Financial's letter since the 1980s, opening each with a table of book value growth so readers can judge him on one number. He is unusually open about bets that went against him, such as the deflation hedges and stock market shorts that cost Fairfax heavily in the 2010s, and explains why he held them. Reading the letters in sequence is a good test of consistency, because the positions and their outcomes are all there in print.