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Prescott House Staff

Prescott House Professional Staff

Dayton Turberville MEd, LISAC, CSAT, CMAT Executive Director Dayton Turberville is a Licensed Independent Substance Abuse Counselor in the state of Arizona, Certified Sex Addiction Therapist, 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 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, and Prescott House is grateful to have him on our team!


Fred Markham MD Medical Director since 1988 Dr. Markham is Board-Certified in internal medicine and a member of the Medical Staff at Yavapai Regional Medical Center.

graduate of the University of Arizona College of Medicine, he is a respected and experienced emergency room physician with a private practice in Prescott. Dr. Markham is a member of the American Medical Association and the American College of Physicians.



Jefferey Penney, MD Consulting Psychiatrist since 2001 Consulting Psychiatrist Since 2001 Dr. Penney received his Doctor of Medicine at the University of Cincinnati and completed his residency training, specializing in Psychiatry, at Washington University in St. Louis.

He is Board-Certified by the American Board of Psychiatry and Neurology, and specializes in psychopharmacology with interests in anxiety disorders, mood disorders, and thought disorders.  


Virginia Conner, EdD, PC
Consulting Neuropsychologist since 1993 Virginia Conner received her doctorate at Northern Arizona University and went on the do a postdoctoral fellowship in neuropsychology at Braintree Hospital in affiliation with Boston University Medical School and Tufts New England Medical Center.

She taught numerous graduate courses in neuropsychology subsequently at Northern Arizona University, and was an associate professor part-time. She has worked in hospitals and neurological clinics, and currently has a private practice in Prescott. She is on staff at Yavapai Regional Medical Center and Mountain Valley Regional Rehabilitation Hospital, is a fellow in the American College of Forensic Examiners, and is on contract as a mental health expert for the Yavapai County Superior Court.


Ray Lemberg, PhD, PC Consulting Eating Disorder Specialist and Psychologist since 2009 Ray Lemberg is the Clinical Advisor for our anorexia, bulimia, compulsive overeating and disordered eating program, and has been a leader in this field for over twenty-six years. He is currently an Associate Editor for

Eating Disorders: The Journal of Treatment and Prevention, and his work has been featured in over 45 publications, close to 100 presentations and numerous media interviews. In 1999 he authored the book Eating Disorders: A Reference Sourcebook. Ray’s contribution to the field of eating disorder treatment and research has been groundbreaking, and Prescott House is fortunate to have him on our team. Dr. Lemberg completed his PhD studies in the field of clinical psychology at the University of Maryland, followed by internships with Sheppard-Enoch Pratt and Springfield Hospitals (Baltimore, MD) and the JFK Institute, Pediatric Hospital at Johns Hopkins.


Jeff Martin, M Ed
Program Manager Jeff Martin leads our clinical group with his experience, training, and wisdom gleaned from his 13 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.


Jacqueline J. Johnson, MA, LPC
Clinical Supervisor Jackie is the Clinical Supervisor at the Prescott House and has 14 years of experience in many areas of the behavioral health field, including substance abuse, crisis work, and assessment & referral. She works closely with the primary therapists and clients in the development and implementation of individualized treatment plans.

Her extensive knowledge and clinical skills are wonderful assets to our treatment team. Jackie holds a Master of Arts in psychology from Northern Arizona University and a Master of Arts in counseling from Ottawa University. She is also a Licensed Professional Counselor.


Lincoln Sperry, MSW, ASAT Clinical Supervisor Lead Primary Therapist 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.


Michael Bradburn-Ruster, PhD Spiritual Advisor As spiritual advisor, Dr. Michael intends to offer the clients an integrated program of spiritual exercises incorporating breath work, meditation, prayer, movement, reading and discussion. Together, they will practice harmonizing mind, heart and body, with the aim of developing a wise passion for life.

This may embrace various themes and threads, according to the needs of clients: Awareness of our place within the natural and spiritual worlds; a vision of our shared humanity, and kinship with all beings. Deepening our awareness and attention to both the visible and invisible worlds. Exploring story, myth, music and symbolism to discover meaning in our wounds as well as our gifts.

Conversing receptively with the world wisdom traditions, both West and East, in search of lost or forgotten paths of transformation. Learning to understand depression, anger, loss, and fragility not as enemies but invitations to a life of dignity and celebration. Dr. Bradburn-Ruster obtained his doctorate at the University of California, Berkeley. He has taught at U.C. Berkeley, San Francisco State University, Reed College, and Yavapai College.  

 Ann Flaherty, M Ed Director of Family Program Ann has been a therapist with Prescott House since 2005. She has a wealth of experience in a variety of treatment configurations (both private and public) as a program director, primary therapist, and adjunct therapist. She holds a Master of Education from Northern Arizona University.

The Family Program at Prescott House is an integral modality provided for the families of our clients. Family participation in the therapeutic process is a critical component in increasing the likelihood of sustained recovery. Her fresh perspectives on boundary issues and real-world recovery help the clients’ families throughout their journeys.


Chris Sobel BHT Primary Therapist Chris has been part of the Prescott House team since 2005 and 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. Chris has many passions including golf and NY Mets baseball, and - most importantly - spending time with his wife and two daughters.



Sean McLoughlin Primary Therapist Sean has been a member of the Prescott House recovery community since 2007. He studied the Healing Arts at the Spiritheal Institute, Ursuline Sophia Center, and The Atma Center in Cleveland, Ohio, and recently graduated from Yavapai College with Phi Theta Kappa honors.

He majored in Religious Studies at the University of Louisville and is currently pursuing a degree at Northern Arizona University where he is a member of Sigma Alpha Lambda National Leadership and Honors Organization.


Layla Cullen, RN Registered Nurse

Layla Cullen is a proud Arizona-native, graduated with honors from Yavapai College with a degree in Applied Science, Nursing. She has been a Registered Nurse since 2010, working in mental health at Windhaven Psychiatric Hospital and West Yavapai Guidance Clinic.

She prides herself on providing holistic, compassionate nursing care, emphasizing education and empowering her patients to care for themselves to navigate mental, physical, emotional and spiritual health. She is a member of the American Nurses Association and working toward her Board Certification in Psychiatric and Mental Health Nursing. She is thrilled to be employed with Prescott House to assist in educating staff and clients, promoting hygiene and infection control as well as encouraging and supporting sobriety.



 Doug Winter, BBA Aftercare Primary Therapist Eating Disorder Coordinator A member of the Prescott House team since 2011, Doug helps clients navigate through the hazards of early recovery, especially those inherent in a less structured environment. In his role as aftercare coordinator Doug draws upon his own personal experience in recovery to assist the men at Prescott House in their transition from clients in residential treatment to fully functioning adult members of society.

Doug also runs our eating wellness program in collaboration with Dr. Ray Lemberg. He facilitates group and individual sessions focused on food and body image issues with clients placed in the eating disorder/disordered eating group. Originally from Chicago, Doug has a bachelor’s degree in business administration from the University of Iowa. The Prescott House is excited to add Doug to the clinical team!  



Harry Kottler, MBA Business Manager Harry handles the business end of things with a welcoming wit and deep empathy for the impact addiction has on families.

His expertise has allowed us to keep tuition as low as it is. He is an invaluable asset to staff and clients.  




Tim Grumbles, MBA Assistant Business Manager Tim is the follow-up contact for families when it comes to managing tuition and expense accounts.

He helps families stay informed about how and why funds are spent.      


Colin Moore, BHT Director of Admissions & Outreach
As a Prescott House Alumni, Colin brings his experience in the field of recovery since 2008 to his role in admissions.

Colin’s extensive professional background in admissions and counseling has given him the opportunity to share his experience and offer hope to those who suffer from addiction. Colin’s goal is to find the best solution for those in crisis.



Michael McInnes MBA, BHT Admissions Coordinator

Michael works in the admissions department and is usually the first contact that family members or future clients have in regards to Prescott House inquiries.

Mike is a former Marine as well as Thunderbird, International School of Business MBA graduate. Very friendly and easy to speak with, Mike is available throughout the week at Prescott House’s toll free number: 1-866-425-4673


Behavioral Staff

Scott Christ, BHT
Ethan Engler, BHT
Colten Curtis, BHPP
Adam Coambs, BHT
Mike McInnes, BHPP
Micheal Velasco, BHPP
John Hartsuff, BHPP
Paul Swart, BHPP



All of the Prescott House staff have personal life experience with addiction and are actively involved in 12-step programs themselves.









Areas of Focus Include:

« Alcoholism

« Dual-Diagnosis

« Chemical Dependence

« Life Skills
(including money management)

« Eating Disorders

« Nutritional Wellness

« Sexual Addiction or Compulsivity

« Boundary Development

« Compulsive Gambling

« Self-esteem building

« Grief Recovery

« Family of Origin Issues

« Sexuality, intimacy and relationship issues

« Entitlement Issues

« Relapse Prevention

« Personal Accountability

« Financially self-sufficient lifestyle

« Trauma Resolution

« Medication Monitoring Services

« Living a life of integrity

« Service-oriented lifestyle

« Depression & Anxiety Disorders

« Anger recognition & Management

« Post Traumatic Stress Disorder

« Recovering victims of abuse

« 12-step Orientation








Schedule • Campout • After Care • Family Program • Self Esteem Workshop • What To Bring-What Not To Bring • Telephone Use • Alumni • Eating Disorder Program • Treatment Program Virtual Tours/Photos

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