James is a mathematician with a personal passion for maths communication and the promotion of mathematics in schools and to the general public.

He is known for his mathematical videos on youtube channels singingbanana and Numberphile.

James has a PhD in mathematics and his academic interests include group theory (the mathematics of symmetry) and combinatorics (the mathematics of networks and solving problems with diagrams and pictures). He also has a keen interest in cryptography (the mathematics of codes and secret messages), probability (games, gambling and predicting the future) and number theory (the properties of numbers).