Deacon co-founded Walrus in 2005 with his wife, Frances. Prior to Walrus, he was the Chief Creative Officer of Mad Dogs & Englishmen, the same agency at which he began his career as a junior copywriter in 1995 and moved up the ranks to oversee creative at the San Francisco office, and then New York. He is extremely pale. His work is known for combining intelligence with humor and always respecting its audience, and has appeared in the One Show, D&AD, Cannes, The Art Directors Club, Communication Arts, the Clios and the Effies. He was an ADC Young Gun and graduated from the Newhouse School at Syracuse.