Meet Our Team
Paul J. Waters
M. Ed., Chief Executive Officer
Paul J. Waters, M.Ed., ACHE, was seated as the Chief Executive Officer of the KeyStone Center on July 1st, 2019. A graduate of New England College in Henniker, New Hampshire, Paul earned a masters in counseling psychology, with a substance abuse specialty, from Antioch University Graduate School, in Keene New Hampshire. He is also a member of the American College of Healthcare Executives and has served on numerous boards and commissions. For many years he was a member of the adjunct faculty at Keene State College in Keene, New Hampshire.
Prior to arriving at the KeyStone Center, Paul spent the last five years as the Executive Director of Recovery Works, a 90-bed co-occurring disorder, detoxification and rehabilitation facility in Lexington, Kentucky
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Paul began his behavioral healthcare career in 1981 at the former Beech Hill Hospital in Dublin, New Hampshire. After 17 years at Beech Hill, where he began as a driver, then nurse’s aide, counselor, admissions office manager, to executive management, he left to become the director of behavioral health at a general hospital in northeast Connecticut. In 2001 he moved further south in Connecticut to become the CEO of a large mental health agency and played a significant role in writing and changing several laws related to treatment for drug and alcohol addicted women and men. During his 38-year career, he has also served as National Director of Business Development for a large inpatient alcohol and drug hospital in southern Florida.
Kerry D. King
PsyD, MBA, Chief Clinical Officer
Dr. Kerry D. King is a Clinical Psychologist with 15 years of experience in working with individuals, families and organizations. As a private consultant which she provides subject matter expertise and behavioral health consultation to schools, global and domestic civil service
entities, as well as a variety of stakeholders within the education and behavioral health industries. Her consulting work has spanned the Eastern United States and many islands of the Caribbean.
Dr. King specializes in the treatment of persons with co-occurring substance use and mental health disorders, adolescent development and change management in the implementation of clinical best practices. During her career, Dr. King has held a variety of clinical and leadership roles and has directed residential and ambulatory behavioral health agencies in the eastern United States. She is a well-regarded workshop presenter on topics related to clinical care,
adolescent development and trauma-informed treatment. Dr. King is specially trained in Dialectical Behavior Therapy.
She holds Doctor of Clinical Psychology and Masters of Business Administration degrees from Widener University in Pennsylvania. Dr. King also completed undergraduate studies in Specific Learning Disability Education, Elementary Education and Psychology, at Mount Vernon Nazarene University in Ohio.
Dr. King has most recently served as the Director of Key Recovery Outpatient Services in Brookhaven, Pennsylvania and immediately prior as the Clinical Contract Advisor for Magellan Behavioral Health of Pennsylvania.
Roger Cambor
MD, Medical Director
Roger Cambor, MD, recently moved to the Philadelphia area from Boulder, Colorado, where he resided and practiced adult psychiatry from 2003 to 2017. Dr. Cambor attended medical school at the University of Texas Medical Branch, Galveston. After a transitional internship at Baylor Medical College in Houston, he completed a residency in psychiatry at the Payne Whitney Clinic/ New York Hospital, Cornell University Medical College (now Weil-Cornell/ New York Presbyterian Hospital.)
Following residency training he completed a fellowship in addiction psychiatry through the Departments of Psychiatry and Public Health at Cornell University Medical College (now Weil-Cornell Medical College). During his fellowship, Dr. Cambor was a Guest Investigator at The Rockefeller University, where he studied the biology of cocaine and opiate addiction under Dr. Mary Jeanne Kreek. After his fellowship, Dr. Cambor became the Medical Director of the Midtown Center, an outpatient treatment clinic providing substance use treatment and psychiatric services to the building and maintenance workers union in the five boroughs of New York City. While practicing in Manhattan, Dr. Cambor also served as a psychiatric consultant to the Division of Pain Management Services at the Hospital for Special Surgery and maintained a private practice, which he continued after moving to Boulder in 2003.
Dr. Cambor specializes in the diagnosis and treatment of complex and dual diagnosis cases; he is particularly interested in trauma; dissociation and the integration of medication management with psychotherapy. He is also certified by the American Board of Psychiatry and Neurology in the practice of general psychiatry, with added qualifications in addiction psychiatry.
Al Coppola
Chief Financial Officer
Michael Morton
M.A., LMFT, CSAT-S, Director of the Extended Care Unit
Michael is a therapist, educator and trainer with more than 25 years of experience. He is a licensed family therapist and clinical member and supervisor of the American Association of Marriage and Family Therapists. He is a clinical member of the American Association for the treatment of Sexual Abusers and a Certified Sex Addiction Therapist and Supervisor. Michael was a former director of the KeyStone Extended Care Unit working under the clinical direction of Dr. Carnes. He has presented for numerous organizations and institutions both in the United States, Europe and Asia. Michael is currently working with families at the KeyStone Center and a frequent presenter and trainer for various organizations.
Robyn Liebman
Psy.D, Director of Psychology Services
Dr. Robyn Liebman is a licensed psychologist in the states of Pennsylvania and New Jersey. She graduated in 2017 from Widener University’s PsyD program, with a focus on Forensic Psychology. Dr. Liebman completed her pre-doctoral internships at Clinical Neuropsychological Associates and Community Treatment Teams. Her focus throughout graduate school was on forensically involved populations with co-occurring diagnoses, such as substance use disorder, schizophrenia, depression and bipolar disorder. Her interests include cognitive and behavioral therapies for the treatment of substance abuse disorder, severe mental illness, personality disorders and forensic populations.
Dr. Liebman joined the Keystone Team in February 2020. Prior to working at Keystone, she worked in pharmaceutical research where she assisted in the completion of drug trials, assessing the effectiveness of medications to treat Schizophrenia, Depression, PTSD, Bipolar Disorder and Borderline Personality Disorder. Dr. Liebman completed her post-doctoral hours at Ancora Psychiatric Hospital in New Jersey. While working in the New Jersey state psychiatric system, Dr. Liebman was trained in Dialectical Behavioral Therapy (DBT) and was the lead psychologist in the women’s DBT program.
Jessica Miller
MHA, MSW, LCSW – Clinical Manager
Jessica Miller holds undergraduate and graduate degrees in social work. She obtained her license in clinical social work in 2011 with a clinical focus on Cognitive Behavioral Therapy (CBT) and acute care interventions. She completed her Master’s in Healthcare Administration in 2019, which focused on strategic planning, quality and performance improvement. Jessica has worked in multiple healthcare settings including inpatient behavioral health, integrated outpatient in primary care offices, medication-assisted treatment clinics and emergency rooms. She brings experience in program innovation and development, such as integrating telemedicine into emergency room evaluation and developing two medication-assisted substance abuse treatment clinics.
Lisa Hall, RN, CCM, MSM
Interim Chief Nursing Officer
Jennifer East
Director of Business Development
Jennifer has been with the KeyStone Center since 2001. She is responsible for all marketing efforts, including advertising and website management, as well as contracting and credentialing initiatives for KeyStone Center. Jennifer cultivates relationships with referring clinicians and oversees a team of outreach professionals who provide information about KeyStone Center’s programs and services to the addiction treatment community. Prior to arriving at KeyStone, Jennifer worked in the Managed Care industry in the Provider Relations and Contracting Department.
Michelle Westerfer
Director of Human Resources
Michelle earned her bachelor’s degree in Human Resource Management at Philadelphia University. She has worked in the Behavioral Health field for more than 25 years, most recently focusing on Human Resource Management. Prior to joining KeyStone Center, Michelle served as Director of Human Resources for Pennsylvania Clinical Schools.
Diane Warfield
J.D., Director of Admissions
Diane earned her degree at Villanova Law School, and has a certification for providing MH/MR services through Temple University. She has worked at the KeyStone Center for more than 15 years starting in the Psychiatric Unit before moving into the Intake Department. Prior to arriving at KeyStone, Diane had extensive experience working with the MH/MR population through Northwestern Human Services. She is responsible for managing our transportation department as well.
Stephany M. Graham
MA, MFT, Family Therapist
Stephany has been employed at the KeyStone Center since 2019. She received her master’s degree in Marriage and Family Therapy with a specialization in Military Family from Northcentral University and is actively working toward becoming a licensed Marriage and Family Therapist, and working on completing her doctorates degree. Stephany is certified in working with Military Families, and is currently volunteering her time to the Pennsylvania National Guard State Family Program. Stephany has experience working with adults, children, couples, and families. She also has experience in treating individuals suffering from the disease of addiction as well as co-occurring mental health diagnoses.
An Environment of Compassion
and Caring
KeyStone Center provides treatment for addiction and co-occurring issues at our facility five miles south of Philadelphia International Airport in Delaware County, Pennsylvania. We provide addiction services to patients from all over the country.
We offer no-cost, confidential assessments 24 hours a day, 7 days a week. If you or a loved one are struggling with addiction, call us today at 610-876-9000.