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 Clinical Director, Lincoln Sperry

Lincoln Sperry


Lincoln earned his BA in English at University of Pennsylvania, graduating magna cum laude with Phi Beta Kappa honors. He later earned his Master of Social Work at Arizona State University, with a clinical concentration and internships at Sonora Behavioral Health hospital and Arizona Children Association’s Tucson outpatient clinic. Lincoln completed his intensive Certified Sex Addiction Training with Dr. Patrick Carnes in 2010. He worked for several years as a residential supervisor for an outpatient program in Tucson serving severely mentally ill clients. His areas of special expertise include sexual compulsivity and addictions – particularly with co-morbid psychiatric disorders, and men with eating disorders.

Learn about our Sex Addiction Treatment program

Program Director

Photo of Prescott House Program Director, 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 help guide the clinicians and clients alike. Jeff received his Master of Education from Northern Arizona University.

Clinical Supervisor & 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 facilitate healing and growth.

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

Registered Nurse

Behavioral Health Residential Supervisor

Photo of Prescott House Behavioral Health Residential Supervisor David Glasser

David Glasser


Case Managers

PHASE 1 | Case Manager

Photo of Prescott House Phase One Case Manager, Robert Pierret

Robert Pierret


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 Phase 1 co-facilitator, 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.

PHASE 1 | Case Manager

Photo of Prescott House Phase One Case Manager, Steve Pope

Steve Pope


PHASE 1 | Case Manager

Photo of Prescott House Phase One Case Manager, Alan Wright

Alan Wright


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 Operations 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.

Director of Admissions & Marketing

Photo of Director of Admissions & Marketing Tim Scanlan

Tim Scanlan


Tim grew up in Tucson, AZ and struggled with addiction from an early age. He came to the Prescott House in June of 2014 and has been sober since. He has found his passion in helping people recover from addiction and is an active member of the AA community in Prescott. Recently Tim completed his BS in Applied Human Behavior at Northern Arizona University and plans on entering a Master’s Program to further his education. Tim has worked at the Prescott House since 2015 and is an avid U of A basketball fan.

Tim is available throughout the week at Prescott House’s direct line: 1-866-425-4673

Business Outreach & Alumni Relations

Photo of Business Outreach & Alumni Relations Geoff Patterson

Geoff Patterson

B.B.M. from the University of Oklahoma

Geoff grew up in Tulsa, Oklahoma and attended school at the University Of Oklahoma, receiving a Bachelors Degree in Marketing. Geoff has been in sales and marketing for over 20 years with experience in Real Estate and Insurance. He is very active in the recovery community in Prescott and is a father of two boys. His passion for helping others in recovery, experience in business and his gratitude for what the Prescott House did for him, makes this the perfect position for him!

Admissions Coordinator

Photo of Admissions Coordinator Corey Ingold

Corey Ingold


Facilities Manager

Photo of Facilities Manager Coby Gravel

Coby Gravel

Business Administrator

Photo of Business Administrator Mike Murphy

Mike Murphy


Mike was born in Vermont and grew up in Silver Spring, Maryland. 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.

Business Office Staff

Photo of Business Office Staff Brian Carlisle

Brian Carlisle


After being raised in northern farm country, Brian received a BS in agricultural business and pursued a career in agriculture and finance before coming to the Prescott House as a client. Brian’s experience in business allows him to assist the clients with financial education as a part of their preparation to live a solid, sober life. Brian enjoys being outdoors and performing in the local music community

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