Professional Staff

Photo of Prescott House Executive Director, Dayton Turberville.

Dayton Turberville


Dayton Turberville is a Licensed Independent Substance Abuse Counselor in the state of Arizona, Certified Sex Addiction Therapist (CSAT), and a Certified Multiple Addiction Therapist. He received his Master of Education with an emphasis in Counseling & Human Relations from Northern Arizona University. Dayton has worked in the fields of addiction and behavioral health since 1999, including clinical and administrative roles in public and private agencies. Prior to becoming Executive Director of Prescott House, Dayton served as our Clinical Director, as well as primary and adjunct therapist. His dedication to the mission of Prescott House and a strong commitment to the clients’ success are indispensable to the overall effectiveness of the program. Dayton’s door is always open to both staff and clients.

Clinical Team

Medical Director

Photo of Prescott House Medical Director, Dr. Terry A. Vaughan

Dr. Terry A. Vaughan


Dr. Vaughan is a Psychiatrist with the philosophy of treating each patient as an individual according to the patient’s individual needs. A graduate of the Indiana University School of Medicine, she is a respected and experienced in the mental health community with over 25 years of experience through West Yavapai Guidance Clinic and Psychiatric Services of Prescott.

Clinical Director

Photo of Prescott House Behavioral Health Professional, Jeff Martin

Jeff Martin


Jeff Martin leads our clinical group with his experience, training, and wisdom gleaned from his 20 years in the field of addiction. He closely oversees the daily operations of the clinical staff and works to ensure that the individual treatment needs of each client are realized throughout the client’s progression in the Prescott House program. Prior to becoming Clinical Director at Prescott House in 2010, Jeff held the position of primary therapist in the residential phase of our program for several years. The therapeutic insight, professionalism, and objectivity that Jeff demonstrates, helps guide the clinicians and clients alike. Jeff received his Master of Education from Northern Arizona University.

Primary Therapist

Photo of Prescott House Primary Therapist Doug Winter

Doug Winter


Doug holds a Masters Degree in Addiction Counseling from Grand Canyon University and has been a member of the Prescott House team since 2010. He specializes in treating sexual addiction, eating disorders and co-occurring disorders. Doug has served in a variety of roles at Prescott House including Aftercare Therapist and Eating Disorders Program Coordinator. Doug enjoys spending time with his wife and children.

Primary Therapist

Paul Swart is a Primary Therapist at Prescott House

Paul Swart


Paul has been part of the Prescott House team since 2013. After an extensive career in engineering, Paul found a new passion in life helping others recover from addiction. Paul’s life experiences help in assisting clients transition from a treatment environment to living on their own and moving forward with their life. Outside of work, Paul enjoys hiking, camping, visiting national parks, and reading.

Primary Therapist

Staff Bio of Prescott House Primary Therapist, Chris Sobel.

Chris Sobel


Chris earned his Master’s Degree in Substance Abuse Counseling from Grand Canyon University. He holds a bachelor’s degree from Arizona State University (Summa Cum Laude) and has worked at Prescott House since 2005. He has been an active member in the recovery community in Prescott since 2002. In his work with each client, he brings forthrightness, inspiring life experience, and a commitment to helping men recover from addiction and addiction related issues. Chris has many passions including golf, softball, NY Mets baseball, Sun Devil Football and – most importantly – spending time with his wife and two daughters.

Primary Therapist

Photo of Prescott House Primary Therapist Colten Curtis

Colten Curtis


Colten has been with the Prescott House since 2010. Both insightful and compassionate, Colten enjoys being part of the recovery process for many men struggling with addiction. “Watching people heal and get better is a joy that I am truly grateful for. I get to see the miracle of recovery happen every day and there just isn’t anything better than that.”

Family Therapist

Photo of Prescott House Clinical Supervisor & Family Therapist, Barbara Rye

Barbara Rye


Barbara has worked in the field of addictions and mental health for 30 years. As a Licensed Professional Counselor and Licensed Independent Substance Abuse Counselor, she has experience in inpatient, residential, intensive outpatient and private practice settings. She has provided clinical consultation, training and direct services for various entities including schools and universities, emergency responders, treatment centers and tribal agencies. Though her philosophy of care is eclectic, it is rooted in the genuine belief that all individuals have dignity and an inner wisdom which facilitates healing and growth.

Medical Team

Nurse Practitioner

Photo of Prescott House Nurse Practitioner Michael Frost

Michael Frost


Michael Frost graduated from the University of Arizona with a Master of Science in Nursing Family Nurse Practitioner. A member the American Academy of Pain Management and the American Nurse Association, he is a specialist in pain medicine and nursing he has been serving the Prescott area for over 10 years.

Medical Services Supervisor

Photo of Prescott House Medical Services Supervisor Luke Mikulich

Luke Mikulich

Medical Service Specialist – Registered Nurse

Behavioral Health Residential Supervisor

Photo of Prescott House Behavioral Health Residential Supervisor Christopher Cox

Christopher Cox

Behavioral Health Residential Supervisor

Chris Cox is from Houston, Texas. He has a passion for helping men in early recovery and being of service, as he began working at Prescott House in 2018. He has a 3 year old daughter, and enjoys the gym and outdoor activities during free time.

Case Managers

Case Manager

Photo of Prescott House Case Manager, Robert Pierret

Robert Pierret

BHT Counselor

Originally from Palo Alto, California, Robert discovered a passion for helping fellow addicts while in treatment at The Prescott House. This passion has now translated into a clear career path for him. Robert is our Case Manager, as well as a facilitator of process therapy groups here at the Prescott House. Robert is pursuing a Bachelor’s Degree in Psychology (BA/BS) at Prescott College and plans to pursue his masters in Clinical Psychology. Robert is happily married and has set down roots in Prescott. He and his wife Kylee have a 2 year old daughter named Ellie and another baby on the way.

Case Manager

Photo of Prescott House Case Manager, Steve Pope

Steve Pope

BHT Counselor

Steve, a US Navy Submarine Service Veteran, served in Vietnam. He is from Stockton, California and has been employed by the Prescott House as a Behavioral Health Technician since November of 2018. Steve was so compelled by the recovery community, support, and treatment from Prescott House, that he eventually relocated to Prescott, Arizona. This decision was to follow his newfound passion, choosing a career of helping others with their addiction. Utilizing his vast knowledge of multiple addictions and emotional issues, he helps others by sharing his experience of addressing these problems himself. His understanding of PTSD and military-related mental health disorders gives him a great perspective in helping others with significant trauma. Steve loves his position at the Prescott House using this opportunity to help others through the recovery process, while on the journey of his own. He also loves giving back to the community by performing musically in and around Prescott the area.

Case Manager

Photo of Prescott House Case Manager, David Glasser

David Glasser

Graduate Student

Photo of Overnight Case Manager Shane Kemp

Shane Kemp

Shane Kemp is from Phoenix, AZ and is an essential part of our team as a our Overnight Case Manager at Prescott House. Working in recovery has been a great journey for Shane Kemp through helping others. Shane Kemp has studied in ECT / CET (Electrical Engineering). Shane Kemp enjoys competing professionally in car audio events, primarily focused on the Subsonic Suicide Class during free time. Shane Kemp, Overnight Case Manager at Prescott House can be reached via email at

Photo of Case Manager Robert Spence

Robert Spence

Spence is from Clearwater, Fl and is an essential part of our team as a Case Manager at Prescott House. Working in recovery has been a great journey for Spence by helping others, giving and receiving gratitude, living a healthy lifestyle, and being active in the recovery community. Spence has studied in Fitness and Nutrition. Spence enjoys Biking, Strength Training, and Snow Skiing during free time. Robert Spence, Prescott House Case Manager can be reached via email at

Business & Administrative Staff

Chief Executive Officer

Photo of Prescott House Chief Executive Officer John Montgomery

John Montgomery

John’s positivity and passion for recovery is what helps Prescott House thrive. His involvement and goals to constantly improve the quality of service both clinically and individually is what sets the treatment at Prescott House above other programs.

Chief Operating Officer

Photo of Chief Operating Officer Mike McInnes

Michael McInnes


Michael is an intricate member of our team with versatile skills in many facets of the treatment process. Michael is a former Marine as well as Thunderbird, International School of Business MBA graduate.

Admissions Coordinator

Photo of Admissions Coordinator Jim Coombs

Jim Coombs

Jim spent his early years in Chicago, IL and grappled with the effects of addiction for much of his young adult life before entering the Prescott House as a client in 2005. His passion for helping others recover from this progressive disease has extended to wilderness treatment, youth programs, and other myriad therapeutic settings. His strong belief in spiritual based recovery has guided his parallel professional career into helping individuals and families seeking recovery for their loved ones. Jim’s confidence in Prescott House’s vigorous program of recovery helped facilitate his return to rejoin the professional team at the Prescott House.

Program Manager

Photo of Program Manager Coby Gravel

Coby Gravel

Coby is from Portland, Oregon and is an essential part of our team as Program Manager at Prescott House. Working in recovery has been a great journey for Coby by helping others. Coby enjoys basketball, hiking, and spending time with his family during his free time. Coby, Prescott House Program Manager can be reached via email at

Business Administrator

Photo of Business Administrator Mike Murphy

Mike Murphy

Michael Murphy is from Silver Spring, MD and is an essential part of our team as a Business Office Manager at Prescott House. Following graduation from York in 2009, he found himself struggling with substances while searching for direction. Mike attended Prescott House in 2014 and embraced the program, becoming an active member in Prescott’s 12-step community. Finding a passion in helping others through their struggles with addiction, Mike began working at the Prescott House in 2016. Working in recovery has been a great journey for Michael Murphy by helping others, giving and receiving gratitude, living a healthy lifestyle, and being active in the recovery community. Michael Murphy has graduated with a Bachelor’s Degree in Business Administration Major and Marketing Minor. Michael Murphy enjoys PC Gaming, Mountain Biking, and anything outdoors during his free time. Michael Murphy, Prescott House Business Office Manager can be reached via email at

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