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About Us

The Garden was founded to help you heal deep-rooted pain. We understand that it often requires more than talk therapy; it requires a courageous and immersive experience. We specialize in trauma therapy, family systems work, and addiction counseling. Each of us have found our way into intensives work with the belief that traditional therapy often can only scratch the surface.

We have each witnessed the undeniable power of experiential therapy, which research affirms as one of the most effective methods for change. We choose psychodrama as our therapeutic modality with great care and intention. With over 2,000 hours of collective psychodrama training, and with co-owner Aimee Hadfield, Utah’s only board-certified psychodramatist, we offer these intensives with confidence and pride.

The Garden Intensives offer a concentrated, focused environment where individuals and families can safely confront core wounds, break through resistance, and establish new ways of being. These deep dives often achieve more in a few days than months of traditional therapy. Our therapeutic craft is informed, honed and intentional. Look through our bios below, and contact us when you’re ready to begin!
 

Meet Our Team

Therapist

Aimee Hadfield

Aimee Hadfield is a licensed clinical social worker (Utah and New Mexico) and a Board Certified Practitioner of Psychodrama, Sociometry, and Group Psychotherapy. She is the founder of Hearten House, the largest experiential-based comprehensive outpatient mental health treatment center in the country, and a nationally recognized leader in immersive, trauma-informed care. Aimee serves as Chair of the Publications Committee for the American Society of Group Psychotherapy and Psychodrama and brings over a decade of experience working with families impacted by trauma, addiction, and mental health challenges, including running family programs for residential treatment centers, and holding the position of clinical director at a dual-diagnosis residential treatment center for women.

Aimee’s life experiences led to her passion for family-focused care and brought her to the mental health field  Her Master of Social Work capstone project explored effective interventions for families of young adults with substance use issues, a focus that continues to shape her clinical work. She specializes in experiential therapy intensives that offer families a path forward through structure, creativity, and connection. Her approach integrates action methods, expressive therapies, and systems thinking to help families address pain points directly while building new relational patterns. Whether working with a parent and adult child, a couple in recovery, or a family preparing for life after treatment, Aimee’s intensives are designed to be transformative, relational, and deeply healing.

Known for her grounded presence and creative leadership, Aimee brings warmth, clarity, and intention to every space she enters. She’s a hands-on problem solver who finds joy in building things, whether that’s a therapeutic container for a family to do hard work, or a curated physical space that invites healing and reflection. Outside of work, she enjoys creative projects, meaningful conversations, live music, and surrounding herself with people who believe in growth, truth, and beauty. Aimee believes that families are capable of extraordinary transformation—and that healing becomes possible when we stop performing and start showing up.

Therapist

Tanner Matheny

Tanner Matheny, CSW, is a Clinical Social Worker based in Salt Lake City who specializes in trauma-informed, outdoor-based therapy for adolescents, families, and individuals.


With over a decade of experience, Tanner is known for building deep trust with youth who have been labeled “treatment resistant,” helping them reconnect to themselves and others through powerful, embodied experiences.

 

Tanner’s roots are in adventure therapy and psychodrama-informed care—modalities that prioritize presence, creativity, and the therapeutic potential of action. His sessions often include somatic work, role-play, nature-based exploration, breathwork, and expressive arts. Therapy might look like mindful climbing, storytelling in the woods, or working through emotions using movement and metaphor.

Whatever the format, each session is crafted to support safety, connection, and meaningful transformation.

Healing doesn’t always happen through words. Tanner’s work is grounded in the belief that the body remembers—and that therapeutic action can help release what talk alone cannot reach. Through psychodrama and other experiential modalities, Tanner helps clients step into their own stories, access new perspectives, and process stuck emotions in a dynamic, whole-body way.

Nature is not just a backdrop in this work—it’s an active co-therapist. Whether on a trail, by a river, or in a client’s own home environment, Tanner creates spaces where people feel seen, challenged, and supported. His approach encourages emotional regulation, healthy relationships, and a deeper sense of vitality—especially for teens and families seeking something more engaging than traditional therapy.

I didn’t come to this work from a textbook—I came to it from lived experience. Growing up, I carried my own share of pain, confusion, and disconnection. It wasn’t talk therapy alone that helped me begin to heal—it was movement, relationship, and the freedom I found outside. Climbing taught me how to face fear. Skiing gave me moments of peace and presence. Being in the wild reminded me I belonged somewhere, even when I didn’t feel it in my daily life.

Psychodrama became the missing piece—a way to work with story, emotion, and body all at once. Through it, I could step into old roles, challenge false beliefs, and reclaim the parts of myself I had lost along the way. It was creative, raw, and real. It made healing feel possible.

That’s the kind of therapy I offer now. One that’s grounded in movement, honesty, and mutual respect. I know what it’s like to feel stuck—and I also know the power of being met with presence, creativity, and care. Today, I’m still climbing, still skiing, still learning—and I’m honored to walk alongside others who are finding their way, too.

Therapist

Devan Glissmeyer

With 28 years of experience working directly with families in intensive, nature-based settings, Devan brings deep clinical wisdom and a grounded presence to every therapeutic encounter. As co-founder of a family therapy treatment center, he has devoted his career to guiding families through transformative healing journeys.

Devan began his studies at the University of Utah where he received a Bachelor of Science in Psychology. He attended Ball State University in Indiana and received a Master of Arts in Counseling Psychology. He returned to Utah and completed his Ph.D. in Marriage and Family Therapy. Devan’s doctoral studies focused on family systems and adolescent development and treatment. His doctoral research focused on the influence of parental and peer relationships on maladaptive behaviors (e.g. substance abuse, oppositional defiance, and mood disorders). He has worked directly with families full time for 28 years

Devan’s work has been profoundly shaped by his experiences with psychodrama, particularly in collaboration with Aimee and Tanner, which he considers among the more impactful of his clinical experience. He has witnessed firsthand the exponential change that psychodrama can ignite in individuals and family systems.

His partnership with Mattie, a skilled Program Director who oversaw every facet of the family therapy program, brought not only operational excellence but also meaningful collaboration and insight. Her personal and professional perspective continues to strengthen and enrich their shared mission of healing.

Together, this team brings a unique blend of clinical depth, lived experience, and relational integrity to their work.

Born in Pennsylvania and raised in a suburb of Kansas City, Devan has resided in Utah since 1985. Married since 1990 with three sons and a daughter, Devan appreciates any time he is able to share with his family, especially playing in pickleball tournaments with his wife and being at his daughter’s harp recitals or volleyball tournaments.

Devan’s greatest passion away from family & work is pickleball. As an avid tennis player growing up (and until 2021) he switched to pickleball after major knee surgeries. He enjoys the level of competition, is proud to be able to play with 5.0 level players and loves the community and connection.

He also enjoys his Bernese Mountain dog and Berner Doodle (Buster and Benji).

Parent and Sober Coach

Mattie Orme

Mattie is a dedicated and experienced professional with a diverse background in behavioral health and program leadership. She began her career in Spokane, Washington, where she attended an Addiction Studies Program while working in a residential co-occurring treatment facility for women with both mental health and substance use disorders. She went on to provide substance use assessments, facilitate group and individual therapy, and deliver intervention and relapse prevention services in outpatient and intensive outpatient settings.

Mattie has also worked closely with adolescent survivors of sex trafficking and has received extensive training in the areas of domestic violence and sexual assault. Her trauma-informed approach is rooted in both professional expertise and a deep commitment to advocacy and healing.

In 2018, Mattie relocated to Utah and spent over two years working in experiential wilderness therapy with adolescents. She subsequently moved into leadership roles, serving in upper management for five years and ultimately holding the position of Program Director. In this capacity, she oversaw clinical programming, staff development, and organizational strategy, further solidifying her passion for transformative, client-centered care.

Mattie’s passion for working with families and individuals is rooted in deep gratitude for her own healing journey. Having experienced the power of being truly seen, heard, and supported, she is committed to helping others create lasting change and reclaim their sense of worth.

 

Her personal experience with recovery and trauma work—especially through intensives—fuels her belief in the profound impact of psychodrama as a transformative modality.

 

“It works if you work it, and you’re worth it”

Mattie was born and raised in Spokane, Washington, before making her way to Salt Lake City, Utah, where she spent seven life changing years immersed in both personal and professional adventure. A true outdoor enthusiast, she’s happiest sleeping under the stars, watching storms roll through and spending time in the desert.

In recent years, Mattie has embraced her creative side through sewing and knitting—two hobbies that bring her challenge and a test in patience.

Above all, Mattie’s greatest joy is her family. She and her husband are the proud parents of a young daughter who is a daily reflection of her own gratitude and joy and rededicates Mattie time and time again to living a full and meaningful life.

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