About the Author. Ira Seidenstein has worked professionally in nearly all genres of performance. He has worked in companies such as Cirque du Soleil and Slava's Snowshow. His own creations have been diverse as well as presenting unique approaches to Shakespeare, classical acting, and clown. He was a highly physical and versatile performer who has taught throughout his career. His M.A. was in Visual & Performing Arts, and PhD in Education. He is the creator of the conceptual International School for Acting and Creativity - I.S.A.A.C.