Sullivan has directed and produced music videos/TV specials for Phil Collins, Michael Bublé, Natalie Merchant, Jason DeRulo, James Blunt, Robert Plant, Seal, Bette Midler, Cher, Ben Folds, David Byrne, Audra McDonald, Katherine Jenkins, LP, Gnarls Barkley, Idina Menzel, Birdy, Nile Rodgers, Pablo Alboran, Josh Groban, Lenny Kravitz, Eric Clapton and others.

International commercials and campaigns for Madonna, REM, Linkin Park, Flaming Lips, Alicia Keys, Andre Rieu, Bruno Mars, Jill Scott, Alfie Boe, Roland Villazon, Lenny Kravitz, Regina Spektor, Justice, My Chemical Romance, Ed Sheeran, Nickelback, David Gray, Muse, KD Lang, Green Day, Red Hot Chili Peppers, Rihanna, Josh Radin, Ray LaMontagne, Plan B.

Other commercial and branding work includes Deezer, Vodafone, Pepsi, Reebok, Orange, Adidas, Ikea, Coca-Cola.

He has directed and produced filmed theatrical productions in the West End, Broadway, Canada, Germany and Australia for Les Misérables, Hamilton, The Phantom of the Opera, Miss Saigon, Aladdin, A Strange Loop, Moulin Rouge, Newsies, The Lion King, Billy Elliot, Frozen The Musical, The Rockettes, Singin in the Rain, Waitress, Beauty and the Beast, Jesus Christ Superstar, Oliver, Charlie and the Chocolate Factory, Wicked, Pippin, Dirty Dancing, Mary Poppins, Sister Act, The Prince of Egypt, Jersey Boys, Love Never Dies, Spring Awakening, Buddy Holly, Ghost, An American in Paris, Shrek, Bring It On, War Horse, and others.

It received Silver at the 2023 The New York Festivals Radio Awards Sullivan played in Australian indie bands Broken Words, Mockingbird and Easy Brother.