Meet the Faculty
Department Chair
Matthew Heller, PhD
Chair of Department of Undergraduate Psychology; Program Director of MS in Research Psychology; Associate Professor, Department of Psychology
Phone: (626) 815-6000
Email: mheller@apu.edu
Program Director
Robert Linsalato, MA
Assistant Professor and Director, Professional Undergraduate Online Psychology, Department of Psychology
Phone: (626) 815-6000
Email: rlinsalato@apu.edu
Professor
Rachel Castaneda, PhD, MPH
Professor, Department of Psychology and Department of Clinical Psychology
Phone: (626) 815-6000, Ext. 2744
Email: rcastaneda@apu.edu
Brian Collisson, PhD
Professor, Department of Psychology
Phone: (626) 815-6000
Email: bcollisson@apu.edu
Kathryn Ecklund, PhD
Professor, Department of Psychology
Phone: (626) 815-6000, Ext. 2740
Email: kecklund@apu.edu
Holly Holloway-Friesen, PhD
Professor, Department of Psychology; Adjunct Professor, Department of Higher Education
Phone: (626) 815-6000, Ext. 2729
Email: hfriesen@apu.edu
Stephen Lambert, PsyD
Professor, Department of Psychology
Phone: (626) 815-6000, Ext. 2743
Email: slambert@apu.edu
Alan Oda, PhD
Professor, Department of Psychology
Mark Stanton, PhD, ABPP
Professor, Department of Psychology
Associate Professor
William Whitney, PhD, MFT
Associate Professor, Department of Psychology
Phone: (626) 815-6000, Ext. 2420
Email: wwhitney@apu.edu
Professor Emerita
Professor Emeritus
