Train At Pine Rest | Psychology Predoctoral Internship

Psychology Internship Faculty

Internship Faculty

Brant VanOrman, PsyD, Licensed Psychologist

Since 2007, Brant VanOrman, PsyD, has been the Training Director for the pre-doctoral psychology internship at Pine Rest.
He completed his doctoral training at Wheaton College (IL) and came to Pine Rest for his psychology internship. His clinical specialties are related to psychological assessments, including diagnostic evaluations, pre-surgical evaluations, forensic assessments, ADHD, and autism. He is an Adjunct Assistant Professor at Michigan State University’s College of Human Medicine and supervises and trains psychiatry residents, as well. Dr. VanOrman is PI on a grant from Stetson University through the Templeton Foundation aimed at developing, delivering, and measuring the impact of religious and spiritual competency training of therapists. Past research has been related to inter-disciplinary training, retention in psychotherapy, and psychological assessment. In addition to internship Training Director, Dr. VanOrman has served Pine Rest in leadership via various committees, including Clinical Improvement, Outcome Measurement, Technology, and the accredited Clinical Pastoral Education program..

Sera Gruszka, PhD, Licensed Psychologist

Sera Gruszka, PhD, is the Assistant Training Director for the pre-doctoral psychology internship at Pine Rest.
She graduated from Ball State University in 2011 after completing her internship with Pine Rest. Her post-doctoral work included outpatient therapy in a traditional mental health setting and in a primary care setting. Additionally, she completed one year of a post-doctoral fellowship in neuropsychology. She currently works at the Campus Clinic on Pine Rest’s main campus and provides outpatient therapy to individuals, couples, and families. Her areas of clinical interest include anxiety disorders, OCD, chronic pain, older adult concerns, and marital and family issues. She is a supervisor for Pine Rest’s Psychiatry Residency Program. She was named Assistant Training Director for the internship beginning in 2014. She also supervises the group therapy rotations. Dr. Gruszka is an Adjunct Assistant Professor at Michigan State University’s College of Human Medicine.

Elizabeth Cyr, PsyD, Licensed Psychologist

Elizabeth Cyr is a licensed psychologist who has worked at Pine Rest since entering as a pre-doctoral psychology intern in 2010.

Dr. Cyr earned her Bachelor’s degree in psychology from Quincy University in Quincy, IL. She completed her Master’s and Doctorate of Clinical Psychology degrees from the Illinois School of Professional Psychology (Argosy University, Chicago). Dr. Cyr is trained in Dialectical Behavior Therapy (DBT) and is a member of the DBT at the Northwest Clinic. She is Pine Rest’s outpatient DBT coordinator.

Fred Rogers once said, “Anything that’s human is mentionable, and anything that is mentionable can be more manageable.” Elizabeth strives to embody this philosophy approaching therapy as two equals coming together to make what feels unmentionable worthy or words. She identifies first as a DBT therapist, though utilizes an integrative approach when working with individuals outside the comprehensive DBT program. She enjoys working with teens and adults presenting with the following concerns: anxiety, depression, bipolar disorder, grief and loss, self-harm, and suicidality, Borderline Personality Disorder, relationship issues, and life transition issues.

Dr. Cyr supervises the DBT placement at the Northwest Clinic.

Mark E. DeVries, PhD, Licensed Psychologist

Mark DeVries, PhD, is a licensed psychologist who has provided psychological and neuropsychological assessment services since 1992 in a number of settings in Grand Rapids including the psychiatric medical unit, Pine Rest’s Psychological Consultation Center, Pine Rest’s inpatient and outpatient programs, and Hope Network Rehabilitation Services. He supervises the neuropsychological assessment rotation. He completed a PhD in clinical psychology at Fuller Theological Seminary’s Graduate School of Psychology in 1992. He is a member of the National Academy of Neuropsychology (NAN). He currently provides a number of assessment services for adults and older adults, including dementia assessments, ADHD assessments, and clinical psychology assessments.


Shreya Doshi, PhD, Licensed Psychologist

Shreya Doshi (Pronouns: she/her/hers) is a is a licensed clinical psychologist who holds a double master’s degree from University of Mumbai, and Columbia University, and a post-graduate diploma in counseling psychology. She obtained her PhD in Clinical Psychology at Fairleigh Dickinson University.

Dr. Doshi’s clinical interests include understanding how the intersection of gender, race, psychosocial identity, and culture influence the therapeutic process, and if integration of psychological assessment can benefit psychotherapy. Dr. Doshi has an integrative therapeutic approach. Her training has focused on cognitive, learning, dialectical-behavioral, and psychodynamic theories, and it is from these that her approach to case conceptualization and intervention has emerged.

Dr. Doshi works with individuals across the lifespan in clinical areas of anxiety, adjustment issues, grief, relationship issues, stress management, mood disorders, and personality dysfunctions. She is passionate about understanding and clarifying diagnostic issues and as such conducts psychological evaluations and testing, including ADHD, learning disabilities, personality assessment, and diagnostic assessments.

Shannon Drabek, PsyD, Licensed Psychologist

Dr. Shannon Drabek supervises the Child and Adolescent hospital rotation. She is a licensed psychologist who has treated and assessed infants, toddlers, children, adolescents, young adults, and older adults via numerous sites including private practice, hospital, and school settings. Dr. Drabek graduated with honors from Mercer University in Georgia and received a Bachelor of Science in psychology with minors in chemistry and biology. She then continued her education and training through the same university, where she was awarded a Doctor of Psychology (Psy.D.) in clinical psychology. Dr. Drabek completed her one-year pre-doctoral residency through Pine Rest Christian Mental Health Services. She then fulfilled her academic training by successfully defending her doctoral dissertation entitled: “Parental Coping in Children Recently Diagnosed with an Autism Spectrum Disorder: A Stellar Intervention.”

Scott Halstead, PhD

Scott Halstead, PhD, is a Vice President and the Corporate Director of Pine Rest’s Outpatient and Recovery Services. Dr. Halstead received his doctoral degree from Fuller Theological Seminary in 1992, served as a psychologist with the U.S. Air Force from 1991 to 2003, and completed a two-year neuropsychology fellowship at Brown University in 2000. He joined Pine Rest in 2003. Even in his Director position, he still provides some outpatient neuropsychological evaluations. Dr. Halstead specializes in working with older adults with memory disorders, and presents to interns on this and other assessment issues. Within the psychology internship, Dr. Halstead provides oversight and is a member of the Training Advisory Committee

Gregory V. Mallis, PsyD, Licensed Psychologist

Dr. Greg Mallis supervises an outpatient therapy placement at the Southwest Clinic. He grew up in Southern California and as an undergraduate attended the University of California at San Diego where he studied Psychology and Cognitive Science. Dr. Mallis did his graduate work at the University of Indianapolis, with practice and internships at university counseling centers. Dr. Mallis supervises from a developmental perspective, working with where interns are at and moving them towards their professional goals. Clinically, Dr. Mallis is a generalist and works specifically with individuals around identity and life direction, and with couples on relationship issues.

Bruce Retterath, PhD, Licensed Psychologist

Bruce Retterath, PhD, is a licensed psychologist who has practiced at Pine Rest Christian Mental Health Services since 1993. Dr. Retterath completed his undergraduate and doctoral degree at the University of North Dakota. His prior work experience includes inpatient, outpatient and residential settings. Dr. Retterath’s current clinical areas of interest include the assessment and treatment of ADHD, anxiety disorders and mood disorders, diagnostic/personality evaluations, pre-surgical evaluations, learning disability evaluations, and management consultations. Dr. Retterath is a member of the Anxiety Disorders Association of American and the American Association of Christian Counselors.

Christina Russell, PhD, Licensed Psychologist

Christina Russell, PhD, LP, is a licensed psychologist who has provided psychological assessment and therapeutic services for toddlers, adolescents, young adults, and families across multiple settings including school districts, early intervention, and clinical settings. She received her undergraduate degree in psychology from Michigan State University and completed her PhD in school psychology at Indiana University. Dr. Russell initially practiced as a school psychologist in Houston, TX. She then provided early intervention and clinical services in Denver, CO. Dr. Russell has a special interest in the assessment of children with autism spectrum disorders and other developmental disabilities, behavior consultation, parent training and advocacy regrading special education. She currently supervises the Autism Spectrum Disorder assessment rotation at the Psychological Consultation Center.

Lisa Schirmer, PhD, Licensed Psychologist

Lisa Schirmer, PhD, supervises one of the therapy placements at the Southwest Clinic. She is a licensed psychologist who has over 30 years of experience working with diverse populations in a variety of clinical settings including outpatient clinics, employee assistance programs, hospitals, intensive outpatient programs and partial hospital programs. She received her M.Ed. in Counseling from McGill University in Montreal, Quebec and earned a Ph.D. in Counseling Psychology from Michigan State University.

Dr. Schirmer believes that empowering relationships are central to healing and recovery. Her clinical orientation is rooted in cognitive behavior theory and therapies. Dr. Schirmer’s areas of interest include working with clients experiencing life transitions, work stress and interpersonal conflict; as well as those struggling with depression, anxiety, living with a chronic mental illness, suicidality, and co-occurring mental health and substance use disorders.

Dr. Schirmer has published and presented on topics related to adult attachment style and work stress, relationship based care, substance use and co-occurring disorders, group therapy, brief interventions and resilience.

Justin Sides, PsyD, ABPP, Licensed Psychologist

Justin Sides, PsyD, ABPP, supervises the Redwood hospital rotation. He is a Licensed Psychologist at the Psychological Consultation Center. He earned a Master’s degree and PsyD in Clinical Psychology from Regent University. He began at Pine Rest as a pre-doctoral psychology intern in 2016.  Dr. Sides is the Clinic Manager of Pine Rest’s Psychological Consultation Center.

Lisa Vroman Stokes, PhD, Psychologist

Lisa Vroman Stokes supervises one of the therapy placements at the Forest Hills Clinic where she is also the Clinic Manager. She completed her undergraduate degree at Michigan State University and remained there for her graduate training where she earned her doctoral degree in clinical psychology in 2015. She joined Pine Rest in 2019.

Dr. Vroman Stokes currently serves as the Child & Adolescent Project Coordinator and is a member of the DBT-Informed team. She works primarily with children, adolescents, and young adults. Dr. Vroman Stokes places a strong emphasis on the importance of creating a warm, collaborative therapeutic relationship and recognizes the need to adopt a flexible and creative approach to treatment when working with children and families.

Her areas of clinical interest include treatment of ADHD, anxiety and mood disorders, childhood behavior problems, phase of life concerns, and relational/family conflict.


Executive Leadership

Mark Eastburg, PhD: President / Chief Executive Officer
Bob Nykamp: Vice President / Chief Operating Officer
Scott Halstead, PhD: Corporate Director, Outpatient and Recovery Services
Harmony Gould: Corporate Director, Hospital and Residential Services
Gary Burkhart: Chair of Psychology Department