Brigitta Herrmann is a dancer, performer, choreographer, and movement educator. As co-founder and co-artistic director of Motion in Berlin, Group Motion Multimedia Dance Theater, and of Ausdruckstanz Dance Theater in Philadelphia, she is a leading force in the arena of dance/movement improvisation and choreography. The late Manfred Fischbeck was co-founder and co-artistic director of Group Motion Multimedia Dance Theater. A performer, teacher, choreographer, musician, and innovator in improvisation and dance technology, he taught dance at the University of the Arts, Philadelphia, and theater at the University of Pennsylvania. Elia A. Sinaiko, PhD, is an independent researcher in Provincetown, Massachusetts. Anna Beresin, PhD, is a play researcher and professor of liberal arts at The University of the Arts in Philadelphia, Pennsylvania.