Launched the London macro hedge fund COMAC Capital in 2006 and closed it to outside investors in 2014; earlier ran macro trading for Soros's Quantum Fund. Profiled in Market Wizards; took an MSc in climate change at UCL.
1 book they recommend
A speculator modelled on Jesse Livermore learns to read and trade the market.
“When I was 17 I was backpacking across Europe. I was in Rome and had run out of books to read. The only book they had in English was Reminiscences of a Stock Operator. It's the only possession in…” — Colm O'Shea
Source: O'Shea on finding the only English book in a Rome market at seventeen
Also recommended by: Barton Biggs, Bill Miller, Dan Loeb and 4 others