Eventually, in 1978, he was hired to the Hanna-Barbera staff and became layout supervisor and character designer on NBC's The New Fred and Barney Show (starring the Flintstones) Saturday morning cartoon series.

Shaw has also worked on dozens of other cartoon series, including Krypto the Superdog, Johnny Test, What's New, Scooby-Doo?, [7] Duck Dodgers, American Dragon: Jake Long, Fantastic Four, Richie Rich, Popeye and Son, The Smurfs, The Snorks, Garfield and Friends and The Bungle Brothers segments of Tex Avery's The Kwicky Koala Show and many others.

For nearly 10 years, Shaw was the Senior Art Director of Ogilvy & Mather in Los Angeles, where he co-wrote, co-directed, storyboarded and designed hundreds of animated TV commercials for Post Fruity and Cocoa Pebbles cereal.

[citation needed] Shaw has also designed lines of action figures of Hanna-Barbera and Simpsons characters for McFarlane Toys.

[9] He co-founded San Diego Comic-Con in 1970 alongside Shel Dorf, Richard Alf, Ken Krueger, Mike Towry, Barry Alfonso, Bob Sourk and Greg Bear.

[10] [11] [12] [13] In June 1977, Shaw was a charter member of CAPS – The Comic Art Professional Society [14] and has served as past president of the organization.