Al Tolles
Executive Director
LISAC, I.C.A.D.C.
Since entering the field in 1990 Al has been using traditional and experiential approaches to treat such core issues as physical abuse, sexual abuse, emotional abuse, alcoholism, chemical dependency, compulsive gambling, family of origin and incest survival in chemically dependent and codependent populations.
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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. |

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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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Dayton Turberville
Clinical Director
LISAC
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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Greg Fine
Lead 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. |
Collin McCarver
Admissions
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.
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Michael Cullen
Primary Therapist
Another alumnus of our program, Mike has a unique way of really bringing clients to a point of willingness and trust in the process.
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Jack Klamm
Family Therapist
Jack joined the staff in 2004 and has added an energetic perspective to the work we are doing. He has worked in the addiction field for much of the past 15 years in a variety of therapeutic settings, most recently in the Phoenix area.
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Charles Libby, M.A., CSAC
Therapist
Charlie recently published New Beginnings, A Caregiver Awareness Program. Drug, Alcohol, Dysfunctional Behavior Prevention. He has a gift in group for helping men feel comfortable being vulnerable and dealing with difficult issues. |
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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. 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 |

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Harry Kottler
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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Chris Sobel – Administrative Assistant
Tim Grumbles – Asst. Business Manager
Jerry Palmer – Facility Manager
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