 Walton has lectured at Massachusetts Institute of Technology (MIT), Art in General, The New School, Portland State University, Art Institute of Boston, University of Ulster in Belfast, Northern Ireland, and Columbia University.Much of Walton's work involves sports.For example, in 2004 to 2005 Walton organized a free throw contest with basketball player Shaquille O'Neal; for every free throw by O'Neal, Walton attempted one, hoping to beat O'Neal's average.