Prior to joining Point Park, Avellar completed his postdoctoral residency at the integrated Mental Health Services at University of Wisconsin-Madison. There he co-coordinated the practicum training program and supervised master's and doctoral level trainees. Before that, he completed his doctoral internship at University of Delaware's Center for Counseling & Student Development. He completed his doctoral training, while conducting research, teaching, and serving as a clinic supervisor at University of California, Santa Barbara. He is committed to social justice through mentorship of diverse students and supervisees, community-based research and engagement and active participation in psychology-related governance and leadership.