With National Outdoor Advertising Bureau, various locations, 1952-1962. Supervisor outdoor and transit media Young & Rubicam, Incorporated, New York York City, 1962-1964. Senior vice president, director marketing and sales, member executive committee of board director Transportation Displays, Inc. subsidiary international Telephone & Telephone Сompany, New York City, 1964-1972.
President, chairman board The Hembre Company, Inc., Huntington, New York, since 1972. Founder, chairman board D-Cube Inc., Huntington, New York, since 1976.