June 2002, Emeritus Professor of Economics, California State University, Bakersfield;

September 1977 to December 2000 (Retired),  Professor of Finance (Tenured in 1977), California State University, Bakersfield;

September 1974 to December 2000 (Retired), Professor of Economics (Tenured in 1974), California State University, Bakersfield;

1979 to 1995, Board of Directors, Center for Economic Education and Research, California State University, Bakersfield;

Summer 1986, Visiting Professor of Economics and Finance, National School of Finance and Management  (Savings and Loan Institute), Fairfield, CT;

Summer  1974, Visiting Professor, Economics Institute, University of Colorado;

September 1973 to December 1979, Director, Center for Economic Education, California State University, Bakersfield;

September 1972 to September 1974, Associate Professor of Economics, California State University, Bakersfield;

January 1970 to January 1972 Consultant to U.S. Department of State, Agency for International Development, The Mission to Ethiopia;

March 1967 to August 1972,  Assistant Professor of Economics (Tenured in 1972), Virginia Polytechnic Institute and State University;

July 1968 to March 1969, Fulbright Visiting Professor, Universidad del Pacifico, Lima, Peru; and,

July 1967 to September 1967, Visiting Research Economist, Federal Reserve Bank of Richmond;

Series Three Licensed Associated Person by the Commodity Futures Trading Commission (CFTC) and  the National Futures Association (NFA) as a Commodity Trading Advisor (CTA) and as a  Commodity Pool Operator (CPO) from February 1988 until I retired from this activity in 2004;

Registered Forensic Economist (RFE) by the American Rehabilitation Economics Association (AREA)  from August 1994 until I retired from this activity in 2001; and,

Board Certified Forensic Examiner (BCFE) by, and Fellow and Diplomate of, the American College of Forensic Examiners, from September 1994 until I retired from this activity in 2001.

Commodity Pool Operator and Commodity Trading Advisor for CALFUTURES '94, a limited partnership registered with the CFTC and engaged in the trading of commodities  from  March 1994 through December 2004;

Principal of Venture I, a Partnership operating as a Commodity Pool Operator and Commodity Trading Advisor from 1988 through 2004;

Commodity Pool Operator and Commodity Trading Advisor for CALFUTURES '91, a limited partnership registered with the CFTC in March 1992 and engaged in the trading of commodities from March 1993 through December 1993;

General Partner, Liberty Wind Park I, a California Limited Partnership, July 1982 to November 1985;

General Partner, Wind Energy Partners, Bakersfield, June 1982 to August 1990;

General Partner, American Wind Energy Systems, Bakersfield, January 1981 to July 1982;

Proprietor of Consulting Economist, a consulting firm specializing in Economic Consulting, Legal/Forensic Consulting, and Business Valuations, Springville, California, January 1981 to through December 2002;

General Partner, Econotech (Economic and Legal Consulting), Bakersfield, March 1980 to January 1981;

Weekly Newspaper Columnist, Tule River Times, December 1989 through June 1994;

Weekly Newspaper Columnist, Southland, April 1992 through June 1994;

Weekly Television Commentary provided on KERO-TV, Channel 23, Bakersfield, December 1979 to June 1990;

General Partner, Systems Management Associates, Bakersfield, November 1972 to March 1980;

Consultant to King College, Tennessee, for Computer Use in Undergraduate Instruction, 1969; and,

Consultant to the "Bright Undergraduate Research Project" at Virginia Polytechnic Institute and State University, 1969.