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College of Social Sciences

About the Interim Dean

College of Social Sciences Appoints Interim Dean Dr. Segun ​Ogunjemiyo

Dr. Segun Ogunjemiyo

Dr. Segun Ogunjemiyo was appointed interim dean of the College of Social Sciences, effective August 2021. Prior to assuming the new role, he was a professor in the Department of Geography and City and Regional Planning and previously served as chair of the department for five years.

Ogunjemiyo studied on three continents, receiving his undergraduate degree from the Federal University of Technology Akure, Nigeria, his master’s degree from University of Ghent in Belgium and his doctoral degree from McGill University in Montreal, Canada. He joined the Fresno State faculty in 2005 as an assistant professor of geography and was previously a postdoctoral associate in geography at the University of California, Santa Barbara. His courses and research focus in areas that cut across multiple disciplines with special emphasis on climate change, air quality and biosphere-atmosphere interactions, especially as it relates to transport of air pollutants in the boundary layer.

Ogunjemiyo is an internationally recognized scholar and was involved in several large-scale interdisciplinary studies on climate change. His current research is devoted to studying air quality and how exposure to heat waves, ozone, particulate matters and other pollutants affect people living in the Central Valley. Since 2006, he has been successful in applying for a variety of grants and has been awarded grants from funding agencies such as the National Science Foundation, the United States Department of Agriculture – National Institute of Food and Agriculture program and the Agricultural Research Institute.

Ogunjemiyo is sensitive to the needs of migrant and immigrant populations. He was the faculty adviser for the African Student Association and since 2010 has been an executive member of the Yoruba Society Association of Central California, a cultural group tasked with educating the Fresno community about the cultures of the Yoruba people.


 Interim Associate Dean

Dr. Yoshiko Takahashi

Dr. Yoshiko Takahashi was appointed interim associate dean of the College of Social Sciences in August 2019. Takahashi holds an M.S. in Criminal Justice and a Ph.D. in Public Policy from the University of North Carolina at Charlotte. Prior to joining the Dean’s Office, she taught a variety of courses at Fresno State including victimology, family violence, juvenile delinquency, statistics, and research methods as faculty of the Department of Criminology.

Takahashi has extensive experience in accreditation issues, having served as the Criminology assessment coordinator and the College of Social Sciences assessment coordinator. Recently, she released a report with the Office of Institutional Effectiveness on Hmong American student success and previously wrote a report on Southeast Asian American student success. She has served on a number of community, national, and international boards, including the World Society of Victimology (WSV) and Central California Asian Pacific Women (CCAPW). She is a previous president of Fresno State’s Asian Faculty and Staff Association (AFSA).

As a victimologist, Takahashi has studied crime victimization in Asian communities and crime and victimization in rural areas. Her recent publications include a book with colleague Dr. Chadley James titled Victimology and Victim Assistance: Advocacy, Intervention, and Restoration.