Gregg was an Emmy nominated choreographer, and received a lifetime achievement award for dance education.  He worked with such stars as: Bette Midler, Gene Kelly, The Nicholas Brothers, Michael Jackson, Gregory Hines, and Kenny Ortega along with directing a commercial for Carvel Ice Cream.  He also performed with numerous music artists: Reba McEntire, Sugar Ray, The B-52‘s and Jason Mraz.

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Gregg was featured in a national Volkswagon commercial portraying Donald O’conner, and performed on ABC’s “Dancing with the Stars” and the Latin Grammy Awards. He danced in many movies, including the original Disney classic “Newsies”, and the iconic “Clueless”. He performed at Madison Square Garden’s home opener for the New York Knicks, choreographed for numerous projects including Sprite, Nike and the Industry Dance Awards in Los Angeles,.

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He was co-founder of “Tap Into the Network” intensives, director of his tap company Tap Sounds Underground for 20 seasons, taught with Artist Simply Human Conventions, and consulted/taught Seth McFarlane of Family Guy fame.