- (1966 to 1969) He was managing director at the American Conservatory Theatre in San Francisco, California. He was in charge of budgeting and contracting. He worked with John Seig.
- (October 31, 1966) He was hired as managing director of the American Conservatory Theatre in San Francisco, California. Edith Markson was a member of the American Conservatory Theater Board of Trustees in San Francisco, California.
- (1967) William Ball, Edward Hastings Jr., John Seig, Robert Bonaventura and he were managers of the American Conservatory Theatre in San Francisco, California.
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