Assistant professor engineering, economics Rutgers University, New Brunswick, New Jersey, 1964—1967. Associate professor New York University Graduate School Business, New York City, 1967—1974. Supervisor business research American Telephone & Telegraph Company, 1974-1977, district manager corporation planning, 1977-1981, district manager finance management and planning, 1981-1985.
Professor finance Graduate School Business Pace University, 1975-1991. Chairman Sharp Chartered Financial Analyst Review & Institute for Investment Education, 1987-1996, Sharp Seminars, since 1996. Speaker, moderator meetings, since 1965.
Consultant Sharp Investment Management, since 1967. Speaker in fields.
Member North America Society Corporation Planning (treasurer 1976-1977, board directors at large 1977-1978), Institute Management Science (chapter vice president academy 1972-1974, chapter vice president program 1974-1975, chapter vice president membership 1975-1976, chapter president 1976-1977), International Affiliation Planning Societies (council 1978-1984), New York Society Security Analysts (Chartered Financial Analyst Review 1985-1987), Operations Research Society of America (president corporation planning group 1976-1982), American Association of University Professors (vice president Pace University chapter 1988-1990), Theta Xi.