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Mark's music career includes writing #1 Pop, Rock & R&B hit songs in the U.S., the U.K. and around the world. The pop music songwriter has sold more than 32 million records worldwide and won the ASCAP Pop Award twice for writing one of the Most Performed Songs of the Year.


He’s a 2-time Emmy Award nominee for his TV work in the category of Outstanding Achievement in Music and Lyrics. He also wrote that catchy single minute of music... the theme song for “DuckTales(words & music)... for the hit Disney animated TV show, which currently airs in 162 countries and 34 languages.


"DuckTales" was rebooted in 2017 with an updated version of Mark's classic theme song. Since then, new episodes have appeared on the Disney Channel, Disney XD and Disney+ streaming. 


Mark also wrote the "Chip 'n Dale: Rescue Rangers" Theme Song (words & music). The  animated hit is currently streaming on Disney+.

In the U.S. and internationally, Mark has received 17 Multi-Platinum Records11 Platinum records19 Gold Records and 7 Silver Records.


He's had 3 Billboard Hot 100 Top 5 Singles in the United States: “Crush” by Jennifer Paige, “Nothin' At All” by Heart (words & music) and "That's What Love Is For” by Amy Grant, which was also a #1 Adult Contemporary Billboard Hit.

In the UK, Mark reached #1 with “Crush” and the chart Top 10 with “I Am Blessed” by Eternal. His other UK hit songs include those by Girls Aloud (featuring Cheryl), Steps and Heart. “Crush” also peaked at #1 in Canada, Spain, Australia and New Zealand.

Artists who have performed his songs include: Justin Timberlake (of *NSYNC); Amy Grant; Heart; Jennifer Paige; Cheryl (of Girls Aloud); Eternal; Agnetha Faltskog (of ABBA); Steps; Earth, Wind & Fire; The Pointer Sisters; El DeBarge; Peter Cetera; George Benson; Al Jarreau and John Farnham (of The Little River Band).

Mark's current projects include an original stage musical with 3-time SAG Award-winning actress Lesley Nicol, best known for her role as Mrs. Patmore on 6 seasons of the worldwide smash hit TV series “Downton Abbey," and in 2019's international #1 box office hit feature film, "Downton Abbey" (and its upcoming 2021 sequel). Mark and Lesley have already done the show in London and Hong Kong and will be performing it in major US cities starting January, 2022.


He wrote the lyrics and co-wrote the book of an original stage musical, “Butterfly,” which was directed by Tony Award-winning Jack Hofsiss at the Goodspeed Opera House. A song from the show, “The Next Dream,” was performed by 2-time Tony Award winner Bernadette Peters on NBC’s Carol Burnett show titled "Carol & Company."

Mark wrote the theme song (and every song) for a unique, all-sung CBS musical pilot titled "Shangri-La Plaza," which he also executive-produced. The songs were performed by Tony Award-winner Savion Glover, Tony Award-nominee Terrance Mann, Oscar-nominee Chris Sarandon and NBC's "The Office" star Melora Hardin. In 2020, the show was the subject of a feature article in Los Angeles Magazine. He also wrote the theme song for NBC’s musical “Rags to Riches," as well as comic lyrics for classic 1960’s hit songs performed on the show.

Mark's theme for "DuckTales" was sung live on NBC's "The Tonight Show Starring Jimmy Fallon" by lead singer of "Panic! At the Disco" Brendan Urie and a live version was performed on ABC's hit TV show "Dancing with the Stars."

Mark and his collaborator Lalo Schifrin, a 4-time Grammy winner and 6-time Oscar nominee, co-wrote all the songs for an original film musical titled “Berlin Blues," starring opera singer Julia Migenes.

His songs have been featured in films such as “Pokémon: The First Movie,” “National Lampoon’s Vegas Vacation,” “Honey, I Blew Up The Kid” and “The Last Starfighter." For "Adventures in Babysitting," he wrote "The Babysitting Blues," sung by Oscar-nominee Elisabeth Shue during a night club scene.