Bob was born in Toronto, Ontario, Canada to Michael and Sally Walker (nee Forrest) but grew up in the east end of Ottawa, ON. He graduated from Gloucester High School where his love for art and the gift of the canvas began to flourish. He attended Sheridan College in the animation program and upon graduation was hired by Atkinson Film-Art in Ottawa(part of Crawley Films). In 1989 Bob was hired by Disney Animation Studio in Orlando Florida. Starting out as a layout artist he worked his way up to head of the layout dept. and finally capped off his Disney career as a co-director of the Disney feature film Brother Bear along side Aaron Blaise and Producer Chuck Williams