David Epstein is the author of the New York Times bestseller The Sports Gene. He has master's degrees in environmental science and journalism and has worked as an investigative reporter for ProPublica and a senior writer for Sports Illustrated. He lives in Washington, D.C.

Berat Pekmezci grew up and studied graphic arts in Istanbul. He then worked as an Art Director in advertising agencies for several years before becoming a freelance illustrator. Berat illustrates posters, book covers, and editorial illustrations. Beside that, his true passion is sequential art. Berat lives with his wife and cat in London and, when he is not illustrating, he spends his time reading comic books and collecting football jerseys.