Elizabeth Geier, PCLC

Elizabeth Geier graduated from Regent University’s School of Psychology and Counseling in 2018 with a Master’s in Clinical Mental Health Counseling. She moved to Great Falls from Wisconsin in 2017 and has been with the Center for Mental Health for over three years.  She is certified in Dialectical Behavior Therapy (DBT) and works with clients of all ages and stages in life.  She enjoys the great outdoors – specifically hiking, camping, biking and fishing.  Also, she enjoys international movies and TV shows, and she practices yoga on a consistent basis.

Jessica Gruber, LCPC, NCC

Jessica Gruber is a Licensed Clinical Professional Counselor and a National Certified Counselor through the National Board for Certified Counselors. She has been at the Center for Mental Health in Helena, Montana since 2014.  She received both a Bachelor’s Degree in Psychology (from the University of Idaho) and a Master’s Degree in Counseling (from MidAmerica Nazarene University).  She counsels adolescents, individuals, groups, and couples in a variety of life circumstances.  Jessica’s therapeutic style is influenced by psychodynamic, cognitive behavioral, and mindfulness-based approaches to healing.  Jessica is also trained in Prolonged Exposure (PE) therapy and to facilitate SOSA Groups (Survivors of Suicide Attempt).  In the past, Jessica would lead anger management groups and art therapy groups.  A key component to her work is in developing a collaborative, compassionate, authentic, and safe therapeutic relationship with clients.  She spends her free time with her family, dogs, hiking, running, and hunting.

Derek Hook, LCSW

Derek Hook graduated from the University of South of South Dakota with a Bachelors Degree in Social Work in 2010 and Master’s Degree in Social Work in 2014.  He worked at a community mental health center in Pierre SD, before moving to Great Falls in June 2019.  Derek provides outpatient therapy to adolescent, adults, and families that have a variety of needs and diagnosis. Derek uses Cognitive Based Therapy, Dialectical Behavior Therapy,  and Motivational Interviewing.  During his free time Derek enjoys exploring what Montana has to offer.

Kyle Joyner, MSW, SWLC

Kyle Joyner graduated from the University of Wyoming with a Master’s in Social Work in 2016. Following which, he moved to Casper, WY and had been working as a mental health therapist with clients who were incarcerated and being released from the correctional system. In January 2020, he moved from Casper, WY to Helena, MT to work for the Center for Mental Health. He is trained in Eye Movement Desensitization & Reprocessing (EMDR) and specializes in working with adults who are seeking treatment for trauma, depression and anxiety. He enjoys the great outdoors, particularly hiking, biking, and evening walks. In addition, he is an avid reader and also enjoys cooking, working on jigsaw puzzles and practices meditation on a regular basis.

Dr. Eva LaRocque, MD

Dr. Eva LaRocque has worked at the Center since 2001 and her role as the Chief Medical Officer is to supervise staff doctors, APRN’s, RN’s and LPN’s.  She completed her undergraduate degree at Montana State University, earned her medical degree at the University of New Mexico School of Medicine in Albuquerque, and completed her residency program in psychiatry at the University of Wisconsin Hospital and Clinics in Madison, Wisconsin. She provides services to Adult clients. 

Luke LeBrun, ​PCLC, NCC

Luke LeBrun graduated from the University of Montana with a Master’s in Clinical Mental Health Counseling in 2019. Luke moved to Montana from South Dakota in 2016 and has been in Great Falls since 2019.  Luke has been with the Center since June of 2019.   Luke enjoys working with Native American people and their decedents and work with primarily adults at this time.  Luke is a decedent of the Turtle Mountain Chippewa tribe in North Dakota.  Luke typically uses a trauma-focused and client-focused approaches to therapy,  cognitive behavioral therapy, acceptance and commitment therapy, solution focused brief therapy as well as the trauma/community resiliency model.  Luke loves movies of just about all kinds, and loves being outside riding his bike, hiking, fishing or disk golfing.

Dr. Aaron Morsette, Phd, LCPC

Dr. Aaron Morsette currently serves as the therapist for the Center for Mental Health in Havre, MT. He attended the University of Montana where he earned a Phd in Psychology.  Following the completion of his graduate studies he did a one-year pre-doctoral internship at the University of Southern California-LA Children’s Hospital. Dr. Morsette’s area of study in in graduate school was in PTSD, particularly PTSD in American Indian adolescents. He has published his research in peer reviewed journal articles.  Dr. Morsette has worked with a diverse population over the course of his career, including children, youth, adults and families. 

Jessica Shortridge, LAC

Jessica Shortridge grew up in Cut Bank, MT. Jessica attended the University of Great Falls and graduated with honors Cumma Sum Laude in May 2013 with an Associate of Science Degree in Addictions Counseling and a Bachelor of Arts in Psychology. Jessica has been a Licensed Addictions Counselor (LAC) since 2014 and utilizes an eclectic approach of counseling methods including behavioral, client-centered, cognitive, individual, group, and family psychotherapy. 

Christina Wingerter, LCPC, NCC

Christina Wingerter graduated from the University of Providence in 2016 with a Master’s of Science in Counseling. She is a Licensed Clinical Professional Counselor and certified through the National Board for Certified Counselors. She has been with the Center for Mental Health since July 2018. Christina provides outpatient therapy to all ages that have a variety of needs and diagnosis. Christina’s therapeutic style is influenced by Cognitive Behavioral, Solution Focused Brief Therapy and Mindfulness approaches. She spends her free time with her family and enjoying the great outdoors — specifically running, biking, camping, hiking and kayaking.

Peggy Wolstein, APRN

Peggy Wolstein is a board certified Psychiatric Mental Health Nurse Practitioner and is a psychiatric provider with the Center for Mental Health. Peggy earned her Master’s Degree in Nursing, specializing in Psychiatry, from the University of Southern Indiana. Her experience includes psychiatry, labor and delivery, pediatrics, oncology, surgery, orthopedics, medical surgical nursing, ICU, home health, hospice, and obstetrics. A Veteran in the Navy, Peggy has worked closely with Veterans with depression, suicidal thoughts, anxiety, and post-traumatic stress disorder. She provides services to Adults and Children.

Lydia Zilkoski, LAC

Lydia Zilkoski has been working as a Licensed Addiction Counselor since 2015.   She has worked at The Center for Mental Health since 2019.  Lydia began her addiction counseling coursework at Stone Child College and completed her undergraduate and graduate degree at Montana State University Northern.  Lydia is currently pursuing a license in professional counseling.  Lydia  provides services to clients of all ages and has experiencing in leading groups such as Prime for Life and Relapse Prevention. In her spare time, Lydia enjoys reading, writing, painting, yoga, running, and hiking.

Our Mission

“The Center for Mental Health partners with people and communities
to produce exceptional, integrated mental health and substance abuse services.”



Great Falls Regional Office
915 1st Ave South
P.O Box 3089
Great Falls, MT 59403


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