For 2022-23, Campbell is a Fellow at the Centre for Advanced Study in the Behavioural Sciences (CASBS) at Stanford University. While at CASBS, he is on leave from his regular position as Chair Professor in the Division of Social Science at the Hong Kong University of Science and Technology (HKUST). He is also a Distinguished Professor in the School of History and Culture at Central China Normal University. Before he came to HKUST in 2013, he was Professor in the Department of Sociology at UCLA and an affiliate of the California Centre for Population Research (CCPR) at UCLA. He visited March 6th-9th, 2023. A video recording of Campbell’s DemSem can be found here and his Demography Training Seminar can be found here.