PINE REST CHRISTIAN MENTAL HEALTH SERVICES - Key Persons


Aaron Jonker

Job Titles:
  • Member of the Executive Committee

Abbey Sladick

Job Titles:
  • Member of the Board

Abby Phillips

Job Titles:
  • Clinical Social Worker
Abby is a fully licensed clinical social worker who has been with Pine Rest since 2011. She earned a Bachelor of Social Work from Northern Michigan University and a Master's in Clinical Social Work from the University of New England.

Alex Daoud

Job Titles:
  • Social Worker at the Pine Rest Christian Counseling Center
Alex Daoud is a social worker at the Pine Rest Christian Counseling Center. He earned his Bachelor of Science in Biopsychology, Cognition, and Neuroscience (BCN) at the University of Michigan. He then earned a Master's degree in Social Work at the University of Michigan School of Social Work. While earning his Master's degree, Alex was on the therapy team at Washtenaw County's Community Mental Health facility. This was the introduction to therapy and Alex's passion. He then moved to Grand Rapids to work with adults with severe and persistent mental illnesses at Hope Network's Hope Partners outpatient program in 2021. Alex' clinical interests include anxiety, depression, post-traumatic stress, and phobias. He strives to provide a comforting environment free of judgment and criticism. He is trained in Eye Movement Desensitization and Reprocessing (EMDR) and aspires to help individuals process their traumas. He works with adults 18+.

Amanda Miller

Job Titles:
  • Limited Licensed Psychologist

Amy Mancuso

Job Titles:
  • Youth Social Media Research Project Manager
Amy Mancuso is a seasoned professional in the field of social work, with a master's degree from Western Michigan University where she focused on clinical practice. As a Certified Trauma Specialist, Ms. Mancuso has been a valuable resource by providing training to front-line employees on the profound impact of trauma on behavioral health symptoms. Throughout her extensive twenty-year career, Ms. Mancuso has held various roles in both clinical and administrative capacities within behavioral health treatment programs. Notably, she has dedicated over a decade to programs specifically designed to assist youth who have experienced significant trauma. In addition to being the Youth Social Media Research project manager, Ms. Mancuso holds the position of Grants Manager at Pine Rest Christian Mental Health Services, where she oversees all activities related to grants. She provides leadership and support in both the preparation and execution of grant proposals, ensuring their successful implementation.

Andrea Armstrong

Job Titles:
  • Doctoral Temporary Limited Licensed Psychologist

Andrew Dow

Job Titles:
  • Member of the Executive Leadership Team
  • SHRM - SCP, Director of Human Resources

Ann Hansen

Job Titles:
  • Member of the Executive Committee

Anne Lynch

Job Titles:
  • Temporary Limited License Psychologist

Arthur Jongsma

Job Titles:
  • Member of the Board

Bill Sanders - VP

Job Titles:
  • Chief Medical Officer
  • Member of the Board Staff
  • Member of the Executive Leadership Team
  • Vice President

Bob Nykamp - COO, VP

Job Titles:
  • Chief Operating Officer
  • Member of the Executive Leadership Team
  • Vice President

Brett Holleman

Job Titles:
  • Member of the Board

Brett VanTol

Job Titles:
  • Licensed Psychologist

Bruce Retterath

Job Titles:
  • Licensed Psychologist

Bryan Ridgeway

Job Titles:
  • Member of the Executive Committee

Carrie VanDenBrink

Job Titles:
  • Manager, Rustic Market

Christina Russell

Job Titles:
  • Licensed Psychologist

Daniel Post

Job Titles:
  • Licensed Psychologist

Dean Herried

Job Titles:
  • Officer

Denise Bailey Thorne

Job Titles:
  • Donor Relations Manager

Donald MacKenzie

Job Titles:
  • Executive Director
  • Foundation Staff Member
  • Member of the Executive Committee
  • Member of the Executive Leadership Team

Douglas Josephson

Job Titles:
  • Member of the Board

Dr. Abbie VanDerWege

Job Titles:
  • Fully Licensed Psychologist
Dr. Abbie VanDerWege joined Pine Rest in 2023 with roles at both the Psychological Consultation Center in Grand Rapids, MI and Portage Clinic in Portage, MI. At the Psychological Consultation Center, Dr. VanDerWege conducts psychological evaluations for children and adolescents to assess for ADHD and other mental health diagnoses. As a therapist, Dr. VanDerWege enjoys working with adolescents and adults who present with a variety of clinical issues. She views therapy as a collaborative process of identifying and working toward goals to enhance clients' fulfillment in their lives. She seeks to understand and respect the diverse perspectives, experiences and values of her clients. Dr. VanDerWege provides therapy using a cognitive behavioral approach rooted within the broader cultural context in which we live. With specialized training, she is a Certified Clinical Anxiety Treatment Professional and Certified Mindfulness-Informed Professional. In addition, Dr. VanDerWege has engaged in continuing education to enhance her work with clients who have histories of trauma, women's health issues, or highly sensitive personalities. Dr. VanDerWege graduated with a major in Psychology from Kalamazoo College in 2004. She immediately matriculated into the master's degree program in Counseling Psychology at Western Michigan University, which she completed in 2006. While at Western Michigan University, she developed an interest in holistic health and pursued a graduate certificate in Holistic Health Care, which she received in 2006. After completing her master's degree, she accepted a position as a family therapist for the Family Reunification Program at Bethany Christian Services. Feeling at home in Kalamazoo, she then entered the APA-accredited PhD program at Western Michigan University in Counseling Psychology in 2007. She completed a full-time APA- accredited predoctoral internship at the Battle Creek VA Medical Center where she pursued rotations in outpatient and residential PTSD, outpatient mental health, inpatient mental health, and substance abuse treatment. After completing her PhD in 2011, Dr. VanDerWege worked in private practice providing psychotherapy and conducting psychological evaluations prior to transitioning to Pine Rest in 2023.

Dr. Mark Eastburg - CEO, President

Job Titles:
  • Chief Executive Officer
  • Member of the Board Staff
  • Member of the Executive Committee
  • Member of the Executive Leadership Team
  • President

Dr. Sarah Domoff

Job Titles:
  • Assistant Professor at the University
Dr. Sarah Domoff is an Assistant Professor at the University at Albany, State University of New York, in the Department of Psychology. Dr. Domoff completed her PhD at Bowling Green State University in Clinical Psychology (Child Clinical concentration) and post-doctoral training at the University of Michigan. Dr. Domoff is a leading scholar on the etiology of problematic media use across childhood.

Fred Kegel

Job Titles:
  • Director of Facilities
  • Member of the Executive Leadership Team

Gary Burkhart

Job Titles:
  • Licensed Psychologist, ABPP, Board Certified in Neuropsychology

Gil Segovia - Treasurer

Job Titles:
  • Member of the Board
  • Treasurer

Glenn Mitcham

Job Titles:
  • Member of the Board

Gretchen Johnson

Job Titles:
  • Member of the Executive Leadership Team

Harmony Gould

Job Titles:
  • Member of the Executive Leadership Team
  • Vice President of Hospital & Residential Services

Heide Rollings

Job Titles:
  • Medical Director of the Pine Rest Pediatric Center of Behavioral Health
Dr. Heide Rollings completed medical school at St. Matthew's University School of Medicine, her psychiatry residency at University of Connecticut Health Center, and her Child & Adolescent Psychiatry Fellowship at Northwestern University/McGaw Medical Center. A child & adolescent psychiatrist, Dr. Rollings is currently the medical director of the Pine Rest Pediatric Center of Behavioral Health scheduled to open in fall of 2025 and the Pine Rest Child & Adolescent Psychiatry Fellowship Director.

Hillary Smith

Job Titles:
  • Doctoral Temporary Limited Licensed Psychologist

Hon. David McKeague

Job Titles:
  • Member of the Board

Ian Nelson

Job Titles:
  • Limited Licensed Psychologist

Jack DeBoer

Job Titles:
  • Member of the Board
  • Member of the Executive Committee
  • President of the Executive Committee

Jacob Lowe

Job Titles:
  • Doctoral Temporary Limited Licensed Psychologist

Jacob Nienhuis

Job Titles:
  • Licensed Psychologist

James Rose

Job Titles:
  • Director of Marketing & Communications
  • Member of the Executive Leadership Team

Jay Van Den Berg

Jay Van Den Berg was a lifelong Pine Rest advocate. In the spirit of his leadership, the Foundation recognizes individuals who have made significant contributions to Pine Rest through their resources. These individuals have given generously of their time, talents, and treasures to further the mission of Pine Rest.

Jeff Steeby

Job Titles:
  • Member of the Executive Committee

Jena Smith

Job Titles:
  • Limited License Professional Counselor

Jennifer Collins

Job Titles:
  • Doctoral Temporary Limited License Psychologist

Jody Vanderwel - Chairman

Job Titles:
  • Chairman
  • Member of the Board

John Buell

Job Titles:
  • Doctoral Temporary Limited License Psychologist

Julie Golin

Job Titles:
  • Limited Licensed Psychologist, CAADC

Julie Smithee

Job Titles:
  • Licensed Psychologist

Justin Sides

Job Titles:
  • Licensed Psychologist

Kaitlin Tuinstra

Job Titles:
  • Temporary Limited License Psychologist

Karli DeHaan

Job Titles:
  • Limited License Professional Counselor

Kayley LaFontaine

Job Titles:
  • Limited Licensed Psychologist

Kim Bancroft

Job Titles:
  • Psychologist

Kim Prose

Job Titles:
  • Licensed Psychologist

Kirk Lambers

Job Titles:
  • Member of the Board

Krissa Kirby

Job Titles:
  • Licensed Psychologist

Lindsey Luna

Job Titles:
  • Limited Licensed Psychologist

Lisa Hahn

Job Titles:
  • Limited Licensed Psychologist

Lisa Vroman Stokes

Job Titles:
  • Psychologist

Lori McDiarmid

Job Titles:
  • Limited Licensed Psychologist

Lou Nykamp

Job Titles:
  • Member of the Board Staff
  • President of the Medical Staff

Marilyn Litka-Klein

Job Titles:
  • Member of the Board

Mark DeVries

Job Titles:
  • Licensed Psychologist

Mary Ann Cartwright

Job Titles:
  • Member of the Board

Michael Milne

Job Titles:
  • Limited Licensed Psychologist, CAADC

Michael Ramirez

Job Titles:
  • Member of the Board

Omar Cuevas

Job Titles:
  • Member of the Board

Paul Karsten - CFO

Job Titles:
  • Chief Financial Officer
  • Member of the Executive Leadership Team
  • Vice President of Finance

Peter Draaisma

Job Titles:
  • Member of the Executive Committee

Ray Lanning

Job Titles:
  • Member of the Executive Committee

Rebecca Busman

Job Titles:
  • Limited Licensed Psychologist

Rob Stafford - Treasurer

Job Titles:
  • Member of the Executive Committee
  • Secretary
  • Treasurer

Robert Connors

Job Titles:
  • Member of the Board

Roger Erickson

Job Titles:
  • Fully Licensed Psychologist

Ronald DeVries

Job Titles:
  • Licensed Psychologist

Ryan LaRue

Job Titles:
  • Member of the Executive Leadership Team
  • Vice President of Contracting

Samantha Tiller

Job Titles:
  • Executive Assistant
  • Foundation Staff Member

Scott Bolinder

Job Titles:
  • Secretary
  • Vice Chairperson

Scott Halstead

Job Titles:
  • Member of the Executive Leadership Team
  • Vice President of Outpatient & Recovery Services

Shannon Drabek

Job Titles:
  • Licensed Psychologist

Sherita Washington

Job Titles:
  • Member of the Board

Shreya Doshi

Job Titles:
  • Licensed Psychologist

Stacia Ford-Spicer

Job Titles:
  • Member of the Board

Stella Michael

Job Titles:
  • Member of the Board

Steve Alles

Job Titles:
  • Member of the Executive Committee

Steven Ender

Job Titles:
  • Member of the Board

Susan Langeland

Job Titles:
  • Member of the Executive Leadership Team
  • Vice President of Continuum Development & Chief Information Officer

Susan Valcq

Job Titles:
  • Member of the Board

Taylor McMillen

Job Titles:
  • Doctoral Limited Licensed Psychologist

Tiffany Armitage

Job Titles:
  • Limited License Psychologist, LLPC

Timothy Meagher

Job Titles:
  • Limited Licensed Psychologist

Timothy Zwart

Job Titles:
  • Licensed Psychologist