After spending her childhood dancing, Donna Flagg went on to study at Philadelphia's University of the Arts and graduate with highest honors from Rutgers University with a degree in Dance. Later, Donna earned two Masters Degrees in Education from New York University.

Influenced by her training in Classical Ballet, Jazz, Modern and Musical Theater, Donna created Lastics Stretch Technique, a method designed to help people improve their flexibility. Her stretch classes have been taught at Joffrey Ballet School in New York, Joffrey Academy of Dance in Chicago, Alvin Ailey, Steps on Broadway, Broadway Dance Center, Dance Teachers Association of New Jersey, BroadwayCon, New Jersey Dance Center and The New York Health and Racquet Club. In addition, Donna is a featured guest every year at Cal-a-Vie Health Spa in San Diego, California.