Oladele (Dele) Ogunseitan holds the title of Distinguished Professor at the University of California, Irvine, where he led the establishment of the Program in Public Health and served as founding Chair of the Department of Population Health and Disease Prevention. He held the title of UC Presidential Chair from 2019 to 2024.

Dele directs the Education Center of the University of California Global Health Institute; co-chairs the competency subcommittee of the Consortium of Universities for Global Health; and co-chairs the Education Pillar for the UC Center for Climate, Health and Equity. He directs Workforce Development for the Institute for Clinical and Translational Science. From 2019 to 2025, he led the Training and Empowerment objective for USAID’s One Health Workforce-Next Generation project in 17 countries across Africa and Southeast Asia.

He is a recipient of the Meritorious Honor Award from the U.S. Department of State for exceptional teamwork and contributions to the achievement of U.S. goals at the third United Nations Environment Assembly. He is an executive editor for Environment: Science and Policy for Sustainable Development. Dele is an elected fellow of the African Academy of Sciences, American Association for the Advancement of Science, American Academy of Microbiology, and Collegium Ramazzini.