Katrina Heidelberger trained at The American Theater Dance Workshop in ballet, theater dance, musical theater and tap.  She has been a faculty member since 2000 teaching every level from beginner to advanced.  She is the ATDW Company Coordinator. She also teaches tap. Katrina has performed in many dance companies and regional touring companies.  She is in constant demand as a choreographer for Long Island theater productions.

Michelle Vivona has performed on Broadway in Thoroughly Modern Millie, How To Succeed…, Gypsy (Tyne Daly), Anything Goes (Patti LuPone), and Sweet Charity (Dir. Bob Fosse). National Tours include: How To Succeed…, Guys and Dolls, 42nd Street and On Your Toes. Michelle toured Europe with West Side Story and as Peggy Sawyer in Broadway Tonight! She has appeared in music videos, as a Westinghouse Babe on Late Night with David Letterman, One Life to Live, numerous national commercials, The Rosie O’Donnell Show, The Today Show, and was directed by Woody Allen in Zelig. Michelle was also a Radio City Music Hall Rockette.