Health Services Psychology Internship Program Staff

Shannon Cayer

Shannon Cayer, PsyD, Training Director, has been working at Wasatch Behavioral Health since she was a Health Service Psychology Intern in 2018. Now licensed, Dr. Cayer serves as the Health Service Psychology Internship Program Assistant Training Director, and does psychodiagnostic and neurocognitive evaluations with adolescents and adults in PAS. Dr. Cayer loves doing psychotherapy and her clinical interests include traumatic stress, compassion fatigue and burnout, LGBTQ+ and related topics, relational distress, and self-esteem/self-image issues. As she was trained at an integrated medical school, Dr. Cayer prioritizes integrating all aspects of health into treatment. She also does psychotherapy at a private practice in Orem, UT on a part-time basis.

Dr. Cayer was grew up in New Hampshire and then completed her undergraduate and graduate education in Arizona where she fell in love the desert (not so much the 120 degree heat though!). Utah has given her a wonderful balance of the New England and Arizona climates, and she plans to stick around for quite some time. She and her partner enjoy road trips, weekend getaways into the mountains, and exercising their corgi-border collie, Tiny, who requires a lot of attention.

Stuart Spendlove, PhD Provo Psychologist

Stuart J. Spendlove, Ph.D., Department Supervisor, has worked as a licensed clinical psychologist since 2012 and is the Administrative Supervisor in Psychological Assessment Services (PAS). He graduated from Brigham Young University in 2001 with a Bachelor’s degree in psychology with a minor in Spanish and then earned his Master’s and Doctoral degrees at Texas Tech University in 2006 and 2009, respectively. Dr. Spendlove completed his predoctoral internship at the UCSD/VA consortium and then obtained a post-doctoral position as a Bilingual Clinical Research Psychologist at the UCSD Autism Center of Excellence from 2009 to 2012. He has worked in community mental health since 2012 through work at an FQHC in San Diego and through private practice in Lubbock, Texas.

Dr. Spendlove specializes in psychological assessments of infants, children, teens, and adults for various diagnoses related to Autism, emotional difficulties, behavioral problems, disability questions, and risk assessment. In therapy, Dr. Spendlove is trained to work with individuals of all ages as well as families and couples with various difficulties. He has experience and training in CBT, TF-CBT, Parent Management Training, and other empirically supported treatments designed to help people with serious or chronic mental health conditions. Dr. Spendlove can render all services in Spanish in addition to English.

A father of 9 and outdoor enthusiast, Dr. Spendlove also enjoys hiking, camping, swimming, bicycling, and attending sporting events with his wife and children.


Derra Gullickson, Psy.D. is the PAS Administrative Supervisor. She is a small-town-Minnesota native who moved to Utah from Chicago, Illinois to begin working at Wasatch Behavioral Health in 2017 as a Health Service Psychology Intern. She began her Psychology Residency with PAS in August 2018, and was hired as Licensed Psychologist in October 2019.

Dr. Gullickson has many interests within psychological assessment services and is trained and certified to assess and diagnose Autism Spectrum Disorder through the Autism Diagnosis Observation Schedule – Second Edition (ADOS-2). While historically she has preferred to work with adults, she has grown quite comfortable assessing children over the age of 6. She is also particularly interested in diversity and multiculturalism as they relate to psychology.

During the work day, you’ll find Dr. Gullickson listening to a plethora of music including 90’s boy-band/pop, country, and rock music while completing her duties. Dr. Gullickson has many passions outside of her work at Wasatch Behavioral Health including crossfit, hiking, camping, painting, cooking, buying plants, Netflix binging, and dining on a local patio.


Juergen Korbanka, PhD is a Licensed Psychologist who has been working at Wasatch Behavioral Health for most of his professional career.  He started as a Psychology Intern in 1993 and has worked his way up to Executive Director.  He is an Approved Clinical Supervisor, National Certified Counselor, Designated Examiner, and is a member of the Utah State Crisis Team.  Juergen speaks German and he enjoys working with adults with a range of issues, such as:  depression and mood disorders, post-traumatic stress disorder, anxiety disorders, and more severe psychopathologies.  He has worked with domestic violence perpetrators and individuals with personality disorders.

His research interests include: evidence-based and outcome oriented, time-limited treatment programs, program effectiveness, and treatment efficiency.  He has presented at numerous local, state, and national conferences and has been teaching at the graduate level for 20 years.  Dr. Korbanka has published in Psychological Reports (1997 & 2003) and the Journal for Interpersonal Violence (2000).  He co-authored “Research and Statistics for Social Sciences (2004) and a workbook on treatment of Borderline Personality Disorder and Substance Abuse Issues.  Recognitions include an Outstanding Practitioner Award (2003), a Lifetime Achievement Award (2008), a Distinguished Teaching Award (2002), an Employee of the Year Award (2000), an Excellence of Teaching Award (1999), and an Outstanding Service Award (1998).

Juergen enjoys reading, long distance running, triathlons, motorcycle riding (road and dirt), and traveling.


Lindsey Marshall, Psy.D., graduated with her doctoral degree in Counseling Psychology at Northwest University in Kirkland, WA. Lindsey has a special interest in neuropsychological assessment for children with Autism and other developmental concerns. As a Clinician, Lindsey practices Acceptance and Commitment Therapy, Motivational Interviewing, and Gottman Method Couples Therapy. She believes in unconditional inclusion and deeply understands the impact that ethnicity, class, gender, sexuality, religion, body type, and levels of ability have on individual wellbeing.

When not in the office, Lindsey enjoys reading, paddle boarding, running, listening to records, and playing with her cat, Fitzgerald.


Randal S. Pennington, Psy.D. is a licensed psychologist and received his doctorate degree in clinical psychology from the Pacific University School of Professional Psychology. Dr. Pennington’s interests include clinical supervision, psychotherapy outcomes, deliberate practice, psychiatric rehabilitation, chronic pain management psychotherapy, and marital and family therapy. Dr. Pennington has worked for Wasatch Behavioral Health since 2000 providing treatment for anxiety and mood disorders, bipolar disorders, schizophrenia, marital difficulty and divorce, relational conflicts, and chronic pain.

Dr. Pennington is a big fan of the Colorado Rockies and Denver Broncos. He also enjoys sports memorabilia collecting, smooth jazz, classical music, barbecuing and grilling, and spending time with his family.


Mike Wilkins, Ph.D.  is the Program Manager over Clinical Performance and Compliance.  He has a doctorate degree in Counseling Psychology and specializes in grief and bereavement. Dr. Wilkins works with all ages, couples and families on a variety of mental health issues. He also provides psychological assessments.

Mike enjoys the outdoors, campfires, and activities with his family.


Eliza Gedge, Ph.D. graduated from the University of Detroit Mercy in July 2022 with a degree in Clinical Psychology. She completed the Health Service Psychology Internship with Wasatch Behavioral Health in July 2022 and became a licensed psychologist in August 2022. Dr. Gedge enjoys doing psychological assessments with children and adults to assist in clarifying their diagnosis and providing treatment recommendations to best support their presenting difficulties. Dr. Gedge also provides individual therapy for adolescents and adults. Therapeutic approaches used in treatment are integrative and include Cognitive Behavioral Therapy (CBT), Insight Oriented, Solution Focused, Dialectical Behavior Therapy, and Motivational Interviewing.

Outside of the office, Dr. Gedge enjoys cooking, baking, reading, (sometimes) hiking, and spending time with her adorable cat.