John Mills was born in East Malling, Kent, England. He received his BFA in Painting at University of Florida, Gainesville, and his MFA in Painting and Drawing at The California College of Arts and Crafts, San Francisco. He has exhibited at Acuna-Hansen Gallery, Los Angeles; the Armory Center for the Arts, Pasadena; Feature, NY; Torrance Art Museum; Thomas Solomon Gallery, Los Angeles; Daniel Weinberg, Los Angeles; and Guggenheim Gallery, Chapman University, Orange, CA.

The artist has received the Barclay Simpson Award and the Rema Hort Mann Foundation—YoYoYo Grant for group project proposal. His artwork is in the Collection of J.P. Morgan Chase Contemporary Art Collection. He has been exhibiting with the Rosamund Felsen Gallery since 2014. Mills lives in Los Angeles.