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Byrnie Florea
Program Director
LISAC., I.C.A.D.C., C.S.A.T. Level 1
With experience in the field since 1995 Byrnie has become a specialist in the treatment of not only the chemically dependent, but sexually compulsive addicts of all kinds with a variety of underlying core issues and trauma. He is also certified in the treatment of compulsive gamblers. |
Dayton Turberville
Clinical Director
LISAC ,
M.A., CSAT Level 1
Dayton has been a gift to the Prescott recovery community since he graduated from our program years ago, and began helping others as a counselor. We are grateful to have him back helping our clients with his talent as a therapist with insight and vision that comes from direct experience. |

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Mark McGuiness
Administrative Director
Since 2000, Mark has been using his experience as an educator, administrator and alumnus of our program to learn more about the addiction treatment field, and teach other programs and clinicians the benefit of the kind of treatment we provide at Prescott House.

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Greg Fine, CADAC
Primary Therapist
Greg’s personal experiences allow him to relate to and confront clients with empathy and concern. His energy is contagious and can generate great progress among our entire community. |
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Jeff Martin, M, Ed.
Primary Therapist
Another alumnus of our program, Jeff has worked in the field of Recovery in Prescott. |
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Lincoln Sperry, MSW
Primary Therapist
Lincoln’s unique perspective has added a great insight and connection to his clients. His deep personal experience to help him relate and support in a way that helps his group fell comfortable healing. |
Ann Flaherty, M. Ed
Primary Therapist
Ann has worked in several treatment facilities over the years and is a fixture in the Prescott recovery community. We feel fortunate to have her insight and fresh perspective into our clinical process. |

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Dr. Lloyd Gillum Ed.D, LPC
Therapist
Lloyd joined the team in 2008 and has been a great asset to the guys. His experience and insightful presence is a gift to this community. |
Eric Strother
Eating Disorder Coordinator
Eric currently works as the Eating Disorder Program Coordinator and has been with us since January 2007. His current work involves the assessment for eating disorders and disordered eating in the male population of Prescott House.
He facilitates groups and individual sessions focused on food and body image issues with clients placed in the eating disorder/disordered eating group under the supervision of the Prescott House Clinical Director as well as Dr. Ray Lemberg. Eric has also been instrumental in the development of the eating disorder program over the last three years.
He is currently assisting in the development of a male specific eating disorder assessment instrument with Stevie Stanford and Dr. Lemberg. |
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| Medical Staff |
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Dr. Fred Markham, MD
Medical Director since 1988
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 (1980) and a respected and experienced emergency room physician. Member of the American Medical Association and the American College of Physicians. |
Dr. Jefferey Penney, M.D., PhD.
Consulting Psychiatrist-Since 2001
Dr. Penney received his Bachelor of Science (B.S.) from the University of New Mexico. He then went on to receive a Master of Science (M.S.) from Case Western Reserve University in Cleveland, Ohio. He received his Doctor of Medicine (M.D.) at the University of Cincinnati. Dr. Penney completed his residency training, specializing in Psychiatry, at Washington University, St. Louis, Missouri.
Dr. Penney is Board Certified in Psychiatry. He specializes in psychopharmacology with interests in anxiety disorders, mood disorders, and thought disorders. |
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Dr. Virginia Conner, Ed.D.
Consulting Neuropsychologist since 1993 |
Dr. Ray Lemberg, Ph.D, PC
Consulting Eating Disorder Specialist and Psychologist since 2009 |
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Collin McCarver
Admissions Director
Collin has been on staff since 2005 and just became our main admissions counselor at the end of 2007. His experience as a client in the past and his ability to relate to both clients and family members makes him a great first contact for a family looking to get help for someone. |
Harry Kottlerr
Office Manager
We feel very fortunate to have a man with Harry's experience and temperament running the financial end of the House. With 35 years of high level business experience he brings his southern hospitality into an aspect of treatment that is uncomfortable for many to deal with.
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Tim Grumbles
Asst. Business Manager
Tim is the follow up contact for families when it comes to managing tuition and expense accounts. He is the one that helps keep families informed about how and why funds are being spent. |
Michael McGill
Alumni Relations Director-Family Program Coordinator
Michael has started a program for alumni designed to nurture an ongoing supportive community, planning special events and activities to keep our alumni connected to their peers.
Michael also helps families prepare for their family session visit by facilitating a brief orientation before the therapy starts, helping them feel safe and welcome in the treatment process. |
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Chris Sobel
After Care Counselor & Med Room Manager
Chris is the eyes and ears of the staff. He trains the technicians who do the direct work with the clients around medical issues and appointments. He adds a consistent presence in the heart of the community.

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Ryan Smith – Primary Therapist

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Scott Christ – Administrative Assistant
Sean McLoughlin – Administrative Assistant
Nathan Roberson – Administrative Assistant
Ian Henyon – Administrative Assistant
Ethan Engler – Administrative Assistant |
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