Key Staff  

Michael J. Salazar, Psy.D
Chief Executive Officer


Michael J. Salazar, Psy.D is currently the CEO at KeyStone Center. He is a licensed psychologist who earned his doctorate in Clinical Psychology from Widener University and his Masters in Applied Psychology from Temple University. Dr. Salazar has been at KeyStone since 1991, first serving as Chief Psychologist and Director of Psychological Services. In 2001, he developed the program for the Residential Treatment Facility and served as director of that program until July 2003, when he became the Director of Clinical Services. He was promoted to his current position as CEO in 2005. Dr. Salazar has extensive experience working with adult and adolescent dual diagnosis populations and treating trauma-related disorders. He has provided lectures and workshops regarding cognitive-behavioral strategies in relapse prevention and is a member of the adjunct faculty at the Institute for Graduate Clinical Psychology at Widener University.


Dr. Michael Glacken, M.D.
Medical Director
  Michael Glacken, M.D. is the KeyStone Center Medical Director. Dr. Glacken earned his M.D. at Temple University School of Medicine in Philadelphia in 1984 and completed his internship and residency in Psychiatry and was the Chief Resident at Temple University Hospital in 1988. He was Board Certified by the American Board of Psychiatry and Neurology in 1990. He has over 25 years' experience treating Dual Diagnosis patients in a variety of treatment settings including persons suffering with Severe and Persistent Mental Illness. Dr. Glacken previously served as the Regional Medical Director for Managed Care with First Hospital Corporation and as the Medical Director of Connections Community Support Programs. He has presented nationally on a variety of topics including managed care, dual diagnosis treatment and psychopharmacology. His focus at the KeyStone Center is ensuring that any psychiatric or psychological barriers to a full and lasting recovery are addressed and overcome using a multidisciplinary, collaborative person-centered approach.

Dr Mary Deitch JD/PsyD
Director of the Extended Care Unit

  Dr. Deitch, JD, Psy.D. is the Director of the Extended Care Unit. In addition to her supervisory role, she works individually with clients as well as co-facilitating groups. Her areas of specialty include the treatment of offending behaviors and relapse prevention. Dr Deitch also consults outside of Keystone, working with trauma victims and victims of crime.

Deborah Voluck, M.Ed., M.F.T, CAADC, LPC
Director of Clinical Services
  Deborah Voluck, M.Ed., M.F.T, CAADC, LPC is the Director of Clinical Services. Ms. Voluck earned her Masters Degree in Counseling Psychology from Temple University and a second Masters Degree in Marriage and Family Therapy from Hahnemann University. In addition, Ms. Voluck is a Certified Advanced Alcohol and Drug Counselor and a Licensed Professional Counselor. Ms. Voluck has been at KeyStone Center for twenty-three years, specializing in the treatment of addiction and co-dependency; working with individuals, couples, families and groups to educate and begin the healing process. Ms. Voluck helps to develop treatment programming incorporating evidence-based modalities. She trains and supervises the clinical staff and has presented clinical workshops at National Gambling conferences.

George Collins, Psy.D, MBA
Director of Psychological Services


George Collins, Psy.D, MBA is the Director of Psychological Services at Keystone Center. He is a licensed psychologist and, from May 2011 through August 2014, was the Director of Psychological and Social Services at UHS sister hospital Fairmount Behavioral Health System. He has directed outpatient, School Based Behavioral Health, and Extended Assessment programs in Philadelphia and Delaware Counties. In group private practice and in community-based settings, he has provided a broad range of psychological services to children, adolescents, adults, and elders, including individual and group psychotherapy, psychological testing, and consultation, since finishing his predoctoral internship in 2004 at Keystone Center under Dr. Michael Salazar.

Dr. Collins graduated from Widener University with a Doctorate in Clinical Psychology and Masters in Business Administration, specializing in Health and Medical Services Administration. His areas of professional interest and current practices include direct care (individual and group therapy), supervision and training of psychology graduate students, ongoing support and development of the comprehensive Dialectical Behavior Therapy in Keystoneís inpatient and outpatient programs, Motivational Interviewing, and application of effective short-term therapies for people recovering from co-occurring diagnoses.


Ellen Norman
Director of Nursing
  Ellen Norman, RN is currently the Director of Nursing at Keystone Center. She has been a RN for 24 years. Ellen started as a staff nurse in 1998. She was promoted to Nurse Manager in 2004, then to Infection Control Nurse in 2007. Ellen provides education, and compassionate, quality nursing care to the patients, and trains and supervises the nursing staff.

Jennifer East
Director of Business Development
  Jennifer East- Director of Business Development has been with the KeyStone Center since 2001 and she is responsible for the marketing efforts, contracting, credentialing, advertising and website management needs. Prior to arriving at KeyStone, she worked in the Managed Care industry in the Provider Relations and Contracting Department.

Michelle Westerfer
Director of Human Resources
  Michelle Westerfer is Keystone Centers Human Resources Director. She earned her Bachelors of Science degree in Human Resource Management at Philadelphia University. Michelle has worked in the Behavioral Health field for over 20 years with the last 11 years focusing in Human Resource Management. Prior to coming to Keystone Center Michelle served as Director of Human Resources for Pennsylvania Clinical Schools.

Al Coppola, CFO
Chief Financial Officer

David Dorschu, MS
Director of Key Recovery Outpatient Services

David Dorschu, MS is the Director of Outpatient Services for KeyStone Center. David earned his Masters Degree in Counseling Psychology from Villanova University in 1995. His professional background includes clinical management, account management, and quality assurance. David has worked in various capacities at the KeyStone Center since 2005 and was appointed Risk Manager in January 2007.


Christopher Borkowski, MA, CCDP-D
Program Coordinator of Intensive Inpatient Program

Christopher Borkowski, MA, CCDP-D, is Program coordinator for the inpatient Freedom rehabilitation program at the KeyStone Center. Mr. Borkowski has been employed with the Keystone Center since 2008 and began his employment as a case manager. Mr. Borkowski earned his bachelor's degree as well as his master's degree at Fairleigh Dickinson University as a part of their accelerated degree program. Mr. Borkowski's specializations include treating individuals with an addiction to substances as well as co-occuring mental health diagnoses. Mr. Borkowski also has extensive training in addressing issues related to individuals who are dealing with issues related to problem gambling.


Diane Warfield, J.D.
Director of Admissions

Diane Warfield, J.D., is the Director of Admissions at the KeyStone Center. She earned her degree at Villanova Law School, and has a certification for providing MH/MR services through Temple University. She has been at the KeyStone Center for over 15 years starting in the psych unit and moving to admissions the following year. 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.


Elizabeth Conlin, Psy.D.
Risk Manager
  Elizabeth Conlin, Psy.D., is the Director of Quality Assurance and Risk Manager at the KeyStone Center.† She currently holds two Masters Degrees and a Doctorate in Clinical Psychology from the Philadelphia College of Osteopathic Medicine. ††Dr. Conlin began her career in healthcare in 1994 and has clinical experience working in a variety of different treatment modalities.† Prior to joining the management team at KeyStone in April 2012, she worked for several years in the risk management and quality assurance department of an inpatient psychiatric hospital. She has lectured at local universities and was a presenter at the 2011 Collaborative Family Healthcare Association conference.

Marquita Neal, MA, MFT
Family Therapist

Marquita Neal, MA, MFT has been employed as Family Therapist at the Keystone Center since 2011. Ms. Neal received her Masters in Clinical Psychology and certification in Marriage and Family Therapy from LaSalle University. Ms. Neal has experience working with families, couples, adults, and children.


Jennifer Walling, MA, LMFT
Family Therapy Coordinator

Jennifer Walling, MA, LMFT is the Family Therapy Coordinator at Keystoneís inpatient facility. Ms. Walling has been employed at the Keystone Center since 2010. Ms. Walling received her Masters in Family Therapy from Drexel University and a Masters in Organizational Psychology with a specialization in conflict resolution from Columbia University. She has training in treating problem gamblers and individuals with co-occurring disorders including addiction.