Walsh is a graduate of Hollywood High School and recieved his bachelor of fine arts degree in theatre design from California Institute of the Arts. Defying all odds, he has freely migrated among the many different narrative design disciplines of feature films, Imax, mini and episodic serials, documentaries, Broadwar dramas, musicals, and regional Theatre.
Having been nominated many times, Walsh is the winner of a primetime Emmy Award for his designs for CBS-TV's critically accalimed series, "Buddy Faro". He is a winner of the ADG Excellence in Production Design Award for the ABC-TV series, "Desperate Housewives". His work on "In Search of Dr. Seuss" garnered another Emmy Award nomination as well as a Cable Ace Award. He designed the much-acclaimed documentary series "MGM: When the Lion Roars" which won an Emmy Award for best informational special. A leader in desgining for IMAX, one of his films, "THe Living Sea," was honoured with an Academy Award nomination. Walsh was nominated for a Cable Ace Award for "Kingfish, A Story of Huey P. Long". He is the originating production designer on ABC_TV's hit series, Desperate Housewives, for which he designed the pilot and 84 episodes. Currently he is the designer for the popular USA/Universal cable series, "In Plain Sight"
On Broadwar, Walsh designed the Tony Award winning production of "Children of a Lesser God" and the critically acclaimed producton of "Zoot Suit". He was associated with three other Tony Award wins for best production of "I'm Not Rappaport", "The Real Thing", and "My One and Only"; all realised during his service and apprecticeship to the famed stage and film designer, Tom Walton. This summer Walsh will return to off-Broadway designing a new American jazz musical, "Play it Cool", which explores the world of the west-coast jazz scene in Hollywood during the era.