Paul Edward Jefferys (born 1986) is a British mathematician, computer programmer, academic and investment banker. Jefferys was selected to represent the United Kingdom in each of the four International Mathematical Olympiads held between 2001 and 2004, winning medals on each occasion. These included a Bronze (aged just 15) in 2001, Silver in 2002 and Gold in the last two years. In doing so, Jefferys became the first British mathematician to win four medals at the IMO. In 2003, aged just 17, Jefferys was awarded a first class degree in Economics from the Open University. On 17 September 2004, Jefferys became World Informatics Champion by achieving the top Gold medal at the International Olympiad in Informatics. He had already won two silver medals at the competition in 2002 and 2003. He is the only British programmer ever to have won the IOI and sits top of the UK hall of fame. In 2004 Jefferys took ten A Levels and achieved an A grade in each (the UK record), with an average mark of 95%. He did not attend lessons in six of the subjects and achieved full marks in 25 of his 60 modules. In 2005, Jefferys was awarded a UBS Academic Scholarship Award, worth £100,000. In 2007, Jefferys was awarded a first class degree in Maths from Trinity College, Cambridge with a 96% result. This was reportedly the highest post war first the University has seen in Maths, and during his time at Trinity, Jefferys won the G.F.A. Osborn Prize (for excellent work during the second year of an undergraduate degree), the Ver Heyden de Lancey Prize (for the third-year undergraduates in any subject who have most distinguished themselves in their studies), several Yeats mathematical essay prizes and the title of senior wrangler. Earlier that year, he had been included in the Varsity 100, a list of the "most talented, influential and hard-working students at Cambridge." He is currently ranked as the 19th best computer programmer in the world and reached the finals of the TopCoder Open in 2008, 2010, 2011 and 2012 and the Google Code Jam in 2008 and 2010.
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