Marc is the Director of the School of Music at The University of the Arts in Philadelphia and a Professor of Drumset and Music Business. He is also President of the Board of Directors of the Philadelphia Music Alliance.

As a drummer, he has made concert appearances with a wide variety of artists, including jazz atists Randy Brecker, Joey DeFrancesco, Jon Faddis, Robin Eubanks, Gerald Veasley, Pat Martino, Stanley Clarke, Phil Woods, Joe Beck, Lew Soloff, Clark Terry, John Fedchock, Al Vizzutti, Diane Schuur, Christian McBride, John Blake, Charles Fambrough, John Swana, Steve Slagle, Grover Washington, Jr., Jeff Jarvis, Tom Kennedy, Peter Nero, and Jimmy Smith; singers/entertainers Frank Sinatra, Sammy Davis Jr., Ben Vereen, Tom Jones, Lou Rawls, Mel Torme, Dionne Warwick, and Natalie Cole; pop artists Boyz II Men, the Spinners, the Stylistics, Paul Shaffer, and Joan Jett; orchestras including the Boston Pops, the National Symphony Orchestra, Dallas Symphony, New Orleans Symphony, San Diego Symphony, Long Beach Symphony, Jacksonville Symphony, Nashville Symphony, and the Philadelphia Orchestra. He's performed on many television shows in Los Angeles for NBC, ABC, CBS, and Fox, and on television, film, and jingle recording sessions in ensembles with Doc Severinsen, Snooky Young, Pete Christlieb, Ron Carter, James Moody, Ernie Watts, Stevie Wonder, Ray Parker, Jr., and Lee Ritenour, and recorded for Concord Records with guitarist Jimmy Bruno. He spent many years touring internationally as drummer and musical director with entertainer Ben Vereen, with whom he still continues to tour and perform in concert.

Marc has lectured and conducted countless clinics at colleges including the University of Southern California, University of Nevada Las Vegas, Villanova University, Cal State Long Beach, Duquense University, University of Delaware, Temple University, American University, the Liverpool Institute of the Performing Arts, Pro Jazz (Santiago, Chile), Tamagawa University (Tokyo, Japan), Prince Claus Conservatoire (The Netherlands), Raum Arts (South Korea), and at conferences for the International Association of Jazz Educators, College Music Society, Pennsylvania Music Educators Association, New Jersey Music Educators, New Jersey Association of Jazz Educators, and at the Philadelphia Grammy in the Schools events. He is a frequent adjudicator, and clinician at conventions and jazz festivals around the country, and he teaches the nation’s only graduate drumset course for music educators at Villanova University each summer. He has been the Musical Director/Conductor for Philadelphia's Barrymore Awards Show for the past 12 years, and is currently completing his fifth instructional drum book. He joined the faculty and taught and performed at the KoSA International Drum and Percussion Camp and Festival in summer 2008.

At UArts, in addition to his work as Director of the School of Music, Marc teaches drumset, percussion, and courses in music business to undergraduate and graduate students, directs an alternative percussion ensemble, and produces the annual high school and college jazz festivals.

Marc has been with the Grammy organization (National Academy of Recording Arts and Sciences) for more than 20 years, as Philadelphia Board Member, Philadelphia Chapter President, and member of the National Board of Trustees. He has served on numerous national committees, and currently co-chairs the committee that created the award-winning world-wide “What’s The Download” campaign for the Recording Academy that was premiered live to 25 million viewers world-wide during a recent Grammy Awards telecast. This television, radio, and print campaign deals with the problem of illegal downloading and the protection of intellectual property. This committee is a leader in advocating for the rights of the Academy’s 17,000 members and the creative community nationwide.

Marc is an drumset artist/clinician for Yamaha Drums, Sabian Cymbals, Regal Tip Drum Sticks, Remo Drum Heads, Latin Percussion, MONO Cases, Music Molds, and writes for Modern Drummer Magazine, Drum Club Magazine, Planet Drum Webzine, Percussive Arts Society (PAS), and In-Concert magazines.