Clinical Team

Open Sky's clinical therapists have Master's or Doctorate level degrees with significant educational and professional history specializing in the treatment of adolescents and families.  Our current clinical team has combined for nearly 60 years of experience working in wilderness therapy.  Open Sky therapists are trained in the most current and research-proven methods, including Dialectical Behavior Therapy (DBT), Eye Movement Desensitization & Reprocessing (EMDR), Motivational Interviewing, and Gottman's Marital Therapy. Each Open Sky therapist attends professional conferences and trainings throughout the country to keep abreast of the latest developments in treatment methods. In addition, our clinical team, led by our Research Director, Dr. Joanna Bettmann, PhD, LCSW, regularly reviews Open Sky's latest research results and the most up to date publications to continually refine our therapeutic approach.  For those interested in becoming an Open Sky clinical therapist, check out our employment page.


Tony Issenmann, PhD, LMFT

Clinical & Family Services Director

Dr. Tony has clinical experience working in a variety of settings including wilderness therapy programs, community agencies, a day treatment center for schizophrenic clients, and family therapy centers. He has worked with a varying population, but has focused his work primarily around the adolescent and parent system.

Jonathan Mitchell, MA, LPC

Clinical Therapist

Jonathan is a Licensed Professional Counselor (LPC) with more than 750 field days as a guide and wilderness therapist. In 2007, Jonathan earned a Masters of Arts from Naropa University in Transpersonal Psychology with an emphasis in Wilderness Therapy. He continues to expand his clinical training and earned a certificate in Gestalt Therapy from the Gestalt Institute of the Rockies in 2008.

Mariah Loftin, MA, LPC

Clinical Therapist

Mariah Loftin is a Clinical Therapist with over 15 years of experience working in service for others. She holds an undergraduate degree in anthropology from the University of California-Santa Cruz and a MA in Transpersonal Counseling Psychology with an emphasis in Art Therapy from Naropa University.

Kirsten Bolt, MEd, LMFT

Clinical Therapist

Kirsten works with a wide range of adolescent girls, from clinically complex, treatment-resistant girls with complicated family systems and externalizing behaviors, to high functioning girls who internalize their problems. Kirsten is passionate and committed to family growth, which she believes is vital in working with young people.

Anne Wilzbacher, MA, LPC

Clinical & Family Services Therapist

Anne holds a degree in Contemplative Psychotherapy from Naropa University. She joins Open Sky after serving as the lead therapist for the women's program at AIM house, a young adult transitional program in Boulder.

Chris Blankenship, M.A., LSW

Clinical Therapist

Chris’ clinical approach draws from cognitive behavior therapy and family systems theory. His areas of clinical knowledge include unmotivated individuals and families, attachment issues, substance abuse, depression, anxiety, and youth who are struggling to launch.

Sierra Williams, MA, NCC

Clinical Therapist

Sierra Williams is a Pennsylvania native. She earned her bachelor’s degree in Psychology with a specialization in Mental Health from Edinboro University of Pennsylvania. It was during this time that she discovered her strong desire for working in the counseling field. To that end, she continued her academic pursuit and earned her MA in Community Counseling, specializing in Addictions, from Slippery Rock University of Pennsylvania.

Aaron Wallis, Ph.D.

Clinical Therapist

Dr. Wallis has had the privilege of living in many fascinating places due to being part of a military family. He received his B.A. in Psychology from Texas Tech University before he moved to his beloved state, Colorado. He earned his Ph.D. in Counseling Psychology from the University of Northern Colorado. While in graduate school, Dr. Wallis was able to explore a few areas of clinical interest through research: substance use (marijuana), social skill development and social media. Not only did he study these concepts through research, he was also able to hone his clinical skills working directly with young adults in several college counseling centers including Grand Valley State and University of Colorado.

Cortney Conrad, BA

Executive & Clinical Assistant

Cortney brings administrative, organizational, and communication skills gleaned from her previous educational and work experiences along with a commitment to making a positive difference in the world.