DeWitt, an acclaimed tap dancer, has performed and taught throughout the United States, and abroad.  New York Times proclaims "he is a non stop source of rhythmic variety and surprise….sparks seem to fly from those shoes!” DeWitt has danced as a soloist with the Lincoln Center Jazz Orchestra, the Princeton Symphony Orchestra, Vince Giordano and the Nighthawks, and with artist such as Wynton Marsalis, Bobby McFerrin, Marvin Hamlisch, Christian McBride, Bobby Sanabria, and Wycliffe Gordon, among others. In New York City he has taught at Broadway Dance Center, Steps on Broadway, Harlem School of the Arts, Queens College, and various dance institutions,  festivals/workshops throughout the US. Abroad he has taught at various dance institutions including the renowned dance conservatory at Limerick College in Ireland. 

DeWitt is also a Choreographer. His choreography currently can be seen on Boardwalk Empire season 4 (HBO), and in the performance "A Night of Song and Dance with DeWitt Fleming Jr and Jared Grimes" which he also wrote. DeWitt has choreographed forAn Evening with Phyllis Hyman(Off Bway),  Signature Theater's Jelly's Last Jam (Assistant Choreographer), NYU's Grad School Production of "1/13/94",The New Jersey Tap Dance Ensemble, Duke Ellington School of the Arts, Harlem School of the Arts, and the New York City Tap Festival to name a few. Some noteable places his choreography has been seen are The Aspen Jazz festival, at Lincoln Center with JALC, NJPAC with The New Jersey Symphany Orchestra, at the Kennedy Center in Washington DC, and at the Spoleto festival in North Carolina. 

DeWitt is a skillful Percussionist.  He plays session work, live shows, and musical theater. He has played for numerous artists and bands such as The Jared Grimes Feel, Brandon Dixon, Jennie Harney,Chondra Profit, Daniel Watt's "The Jam", The Broadway Underground Remix house band, The B side band at URBO Times Square, Madafi Pierre, and Paline Anice.  In New York City he has performed at the legendary Blue Note, BB Kings Times Square, Lincoln Center, Sounds of Brazil (SOBs), The Village Underground, and many others.