David Heinemeier Hansson is a Danish programmer and racing driver. He is the creator of the Ruby on Rails framework and a key figure in web development. Besides his programming career, Hansson participates in prestigious racing events like the 24 Hours of Le Mans.
This is based on winning 2 head-to-head matchups with other famous people, but also losing 15 head-to-head matchups.
Most recently David Heinemeier Hansson lost a matchup to Ricardo Quaresma (#765) voted by someone from United Kingdom.