Siobhan Roberts is a Toronto journalist and author whose work focuses on mathematics and science.

Her second book, Wind Wizard: Alan G. Davenport and the Art of Wind Engineering, is just published by Princeton University Press.

She is currently a Fellow at the Leon Levy Center for Biography, based at the CUNY Graduate Center, where she is finishing her next book,  a biography of Princeton mathematician John Horton Conway (Walker & Company/Bloomsbury USA, 2014).

Roberts' first book, King of Infinite Space: Donald Coxeter, The Man Who Saved Geometry, won the Mathematical Association of America's 2009 Euler Prize for expanding the public's view of mathematics. She was the writer and associate producer on a documentary film about Coxeter, The Man Who Saved Geometry, which aired in September 2009 on TVOntario's The View From Here.

As a freelancer Roberts contributes to publications including The Globe and Mail, The Walrus, Canadian Geographic, The Mathematical Intelligencer, Leonardo, The New York Times "Science Times," and the Smithsonian.