In January 2018 he was appointed to Director for Academic Diversity. In this role, he advises the President on campus diversity and inclusion initiatives to help drive organizational change. His main responsibilities center on academic recruitment and retention, as well as inclusion initiatives. Addrain is also tasked with the integration of diversity efforts throughout the academic enterprise, in keeping with the College's Strategic Plan 2018-23. Addrain completed his undergraduate work at Boston College and received a Ph.D. in sociology with a focus on criminology from Southern Illinois University Carbondale. He has been at Marist since 2012.