Presented "Fundamentals of Modern Portfolio Theory" to the Investment Management for Institutional Investors Conference  in San Diego in November 1998;

Presented "Wage Loss in Wrongful Death - An Historical Analysis," to the American Academy of Economic and Financial Experts (AAEFE) in   Las Vegas in April 1996;

Presented "Annuity Methods: New Jersey, Pennsylvania, Omniscient, A Comparison" to the American Academy of Economic and Financial      Experts (AAEFE) in Las Vegas in April 1991;

Presented "Financing Wind Parks" to the American Society of Mechanical Engineers in Dallas in February 1985;

Presented "Rural Subdivision Marketing" (co-author) to the American Institute for Decision Sciences in San Diego in March 1980;

Presented "The Evaluation of Teaching Performance" (co-author) to the American Institute for Decision Sciences in Phoenix in March 1977;

Presented "Problems of Evaluation of Librarian Performance within the CSUC System for Promotion and Tenure" to the California Library  Association in Los Angeles in December 1976;

Presented "Teaching Evaluation by Students" (co-author) to the American Institute for Decision Sciences in San Diego in March 1976;

Presented "Strokes in Childbearing age Women" (co-author) to the International College of Angiology in Lisbon, Portugal in July 1973;

Presented "Ecology, Economics, and the New Imperialism" (co-author) to the American Association for the Advancement of Science in   Philadelphia in December 1971;

Presented "Some Determinants of the Demand for Money - A Spectral Analysis" (co-author) to the Southern Economic Association in Miami in November 1971;

Presented "Trade-Constrained or Savings-Constrained Growth in Peru: An Empirical Test" to the Southern Economic Association in Atlanta    in November 1970;

Presented "The Social Costs of the Non Optimal Money Supply in a Developing Country" to the Western Economic Association in Davis in    August 1970; and,

Presented "Recent Monetary Policy in Honduras" (co-author) to the Southern Economic Association in Atlanta in November 1966.

Panelist for "Energy Choices in the Nineties" presented at the Earth Day Symposium held at Bakersfield College in 1990;

Panelist for the "Energy Choices for Kern County Symposium" presented by the Sierra Club in Bakersfield on November 9, 1985;

Panel Chairperson for the "Business Policy Simulation Games Panel" presented to the American Institute for Decision Sciences in Phoenix    in March 1977;

Panel Chairperson for "The Current State of Economic Education" presented to the Western Economic Association in San Diego in June 1975;

Discussant at the "Panel on Monetary Theory" presented to the Western Economic Association in San Diego in June 1975;

Program Chairperson and Coordinator for the North American Economic Studies Association Economics Program held with the Allied Social    Science Meetings in San Francisco in December 1974;

Discussant at the "Panel on a North American Free Trade Area" presented to the North American Economic Studies Association in San Francisco   in December 1974;

Panel Chairperson for the "Use of Computers in Teaching" presented to the American Institute for Decision Sciences in San Diego in March 1974;

Discussant at the Panel for "A North American Free Trade Region" presented to the North American Economic Studies Association in New York    in December 1973;

Panel Chairperson for the "Issues in U.S.-Canadian Relations" presented to the North American Economic Studies Association held with the    Allied Social Science Meetings in New York in December 1973;

Panel Chairperson for the "Session of Computer-Assisted Instruction" presented to the Joint Council of Economic Education and Affiliated Centers    for Economic Education in San Diego in October 1973;

Participated in United States of America, Department of State Scholar-Diplomat Seminar in Washington in February 1972;

Discussant at the Panel on "Location as a Determinant of Demand" presented to the Regional Science Association in New Orleans in April 1970;    and,

Discussant at the Panel on "Money and Growth" presented to the Southern Economic Association in St. Louis in November 1969.