In 1951 he became director of the nonprofit Actors Studio in New York City, considered "the nation's most prestigious acting school," and in 1966 he was involved in the creation of Actors Studio West in Los Angeles.
I 1951 blev han direktør for den almennyttige Actors Studio i New York, der betragtes som "nationens mest prestigefyldte skuespillerskole", og i 1966, var involveret i skabelsen af Actors Studio West i Los Angeles.