Dr. Vaziri served as a chair of Department of Accounting and Finance from 1986-1989. His areas of research are international finance, corporate profitability measurement, Latin American's external debt, international taxation, micro-structure of securities, foreign country evaluation and analysis, and the European monetary system. He has published 20 articles since he was awarded tenure (1989), primarily in the areas of international finance, and attended many international conferences around the world. He served as faculty advisor to the Financial Management Association and Students for International Business. His teaching areas are International and corporate finance. He is a founding member of International Trade and Finance Association, American Finance Association and BALAS-Business Association of Latin America.

Based on invitation by Institute Superieur de Etudes Financieres etd' Ingenierie (ISEFI) and CETFI of University of Aix-Marseille, France, he spent six months in Europe (1993), five weeks in 1994, five weeks in 1995 and five weeks in 1996 and worked in the Sale de Marche de Bourse de Paris (Stock Trading Room of Paris Stock Exchange).

He also initiated and implemented the Exchange Program between France (ISEFI-CETFI) and CSUSB. He organized, promoted, selected and lead 27 students for 5 weeks of intensive training, workshops, cultural exchange and sightseeing. The students received official certificates of stock market operations, foreign exchange markets and global financial planning. The students visited Marseille, Nice, Nimes, Arles, Aix-En-Provence, Cassis, Cannes, Camargue, Avignon, and many visited Germany, Italy, Spain, Denmark, England and Switzerland. Students earned four units of CSUSB credit during the 1996 summer term.