|Born||30 October 1963|
|Alma mater||Cambridge University|
|Awards||Whitehead Prize (1999)|
|Thesis||Discrete Isoperimetric Inequalities and Other Combinatorial Results (1989)|
|Doctoral advisor||Béla Bollobás|
|Notable students||Rediet Abebe|
He was educated at St Paul's School and at Trinity College, Cambridge, and in 1981 he was a member of the United Kingdom team at the International Mathematical Olympiad, where he won a silver medal. In 1999-2001, he led the UK IMO team as its chief trainer.
He has been the most consistently successful Othello player in Britain, winning the national championship 12 times between 1983 and 2016. In 1983, he was runner-up in the World Othello Championship, and in 1988, he was on the UK team that won the World Team Championship. In 2019 prevailed against Matthias Berg in the final of the European Championship 2019 which was held in Berlin.
In mathematics, his work has concentrated on combinatorics. He completed his PhD, entitled Discrete Isoperimetric Inequalities and Other Combinatorial Results, in 1989, supervised by Béla Bollobás. Godson of mathematical philosopher Imre Lakatos, he is currently a fellow of Trinity College, University of Cambridge.
- Some publications from DBLP 
| UK International Mathematical Olympiad Team Leader
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