Pine Grove Professional Enhancment Program

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Pine Grove Behavioral Health and Addiction Services

Professional Enhancement Program Staff

At Pine Grove Behavioral Health & Addiction Services, our treatment staff are known for their leadership and expertise in the diagnosis, management, and treatment of addictive diseases and psychological disorders. Learn more about the background and experience of each Professional Enchancement staff member by clicking on their image below:

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Philip Hemphill, Ph.D., LCSW

Dr. Philip Hemphill has been the Director of the Professional Enhancement Program at Pine Grove Behavioral Health & Addiction Services since 2002. He is responsible for the management and clinical supervision of professional patients in an intensive outpatient/residential setting, who are struggling with addictive and personality disorders. He assists with the evaluation, treatment planning, and direct clinical care, fitness for duty issues, staff training, vocational and professional reintegration, workplace monitoring, staff development, coaching, and administrative management of the program.

Dr. Hemphill has pioneered the assessment and treatment of professionals with ‘Disruptive’ behavior which includes validating a monitoring instrument (DBI) and he co-authored a book in 2013 named, Taming Disruptive Behavior, published by the American College of Physician Executives (ACPE.) Since 1990, Dr. Hemphill has presented papers and workshops at national conferences and published articles in the fields of trauma, personality disorders, and addictions.

He has been an adjunct professor at Tulane University’s School of Social Work since 1997, and an Assistant Clinical Professor at Louisiana State University’s Health Sciences Center, Department of Psychiatry, since 2000. He received both his Master’s and Doctoral degrees from Tulane University.


Leah Claire Bennett, Ph.D.

Dr. Leah Claire Bennett is a licensed psychologist with the Professional Enhancement Program at Pine Grove Behavioral Health & Addiction Services, where she serves as the Program Director. Dr. Bennett is also the Director of Pine Grove’s Professionals Recovery Track, which is designed for the organization’s residential addiction treatment patients who hold a professional license. She earned her undergraduate degree in Psychology from Baylor University in Waco, TX and her Master’s and Doctorate degrees in Counseling Psychology from The University of Southern Mississippi in Hattiesburg, MS. Dr. Bennett has worked with the Professional Enhancement Program since 2005 where the focus is working with professionals with vocational and relational issues, maladaptive personality problems, addiction, disruptive workplace behavior and sexual issues. Dr. Bennett’s primary focus is to help professionals who have struggled in a variety of ways return to work in a manner where they are able to engage at their highest potential. She practices an integrative therapy combining elements of interpersonal, psychodynamic, and cognitive-behavioral approaches.


Peter Kamp, MD

Dr. Peter Kamp is a graduate of University of Oklahoma College of Medicine. He completed the residency program at Georgetown University Hospital in Washington, D.C. in 1990 and a Consultation Liaison Psychiatry Fellowship in 1991. Dr. Kamp is board certified is a member of the American Medical Association. He is a Distinguished Fellow of the American Psychiatric Association. He joined the Pine Grove staff in 1991 and currently sees patients in an outpatient setting for assessment and medication management and serves as a Consultation Liaison Psychiatrist at Forrest General Hospital.


Anthony Calabrese, Ph.D.

Dr. Tony Calabrese is a licensed psychologist in Mississippi, New York, and Alabama. He is the Director of Psychology and Pine Grove Outpatient Services of Pine Grove Behavioral Health & Addiction Services. He also serves as the Chief Psychologist (administrator in charge) for the predoctoral psychology internship training program. Dr. Calabrese was instrumental in establishing the internship training program and he is committed to maintaining a quality training program. Dr. Calabrese completed his doctoral training in Clinical Psychology at the University of Southern Mississippi in 1996. His clinical training included a doctoral psychology internship at the Veterans Administration Medical Center in Brooklyn, New York. He is listed in the National Register of Health Service Providers in Psychology and is a member of both the American Psychological Association and the Mississippi Psychological Association.


David Yowell, Ph.D.

David Yowell, Ph.D. is a licensed psychologist with the Professional Enhancement Program (PEP) at Pine Grove Behavioral Health & Addiction Services. He completed his Masters and Doctorate degrees in the Counseling Psychology program at the University of Southern Mississippi where his research focused on adult attachment patterns and emotion. He has provided individual and group psychotherapy, and couples therapy in psychiatric units within the Mississippi State Hospital and nursing home, local Hattiesburg medical facilities, and counseling centers at the University of Southern Mississippi and University of South Florida. He has also provided personality and neuro-cognitive assessments with psychiatric inpatients and adult outpatients at the Mississippi State Hospital and in private practice in Florida. He currently works with professionals at PEP on destructive personality traits, self-management, adaptive boundaries, interpersonal and relationship functioning, vocational issues, and addictions.


Amy Robertson, Psy.D.

Amy Robertson, Psy.D. is a licensed clinical psychologist with the Professional Enhancement Program (PEP). She received her undergraduate degree in Psychology from Auburn University in Auburn, AL and her Masters and Doctorate degrees in Clinical Psychology from Regent University in Virginia Beach, VA. Dr. Robertson has clinical experience in a variety of settings including a university psychological services center, adult prison, the juvenile justice system, a community mental health center and in residential treatment. Dr. Robertson completed her internship and post doctoral fellowship at Pine Grove, working in several programs including Outpatient Services, the Evaluation Center, the Sex Addiction Treatment Center and PEP completing assessments and providing individual, family, couples and group therapy. She currently works with professionals at PEP on maladaptive personality traits, disruptive behaviors, addiction, vocational issues, self-management, boundary setting and interpersonal and relationship functioning.


Sally Moody, LCSW

Sally Moody is a Licensed Clinical Social Worker and Clinical Therapist with the Professional Enhancement Program (PEP) at Pine Grove Behavioral Health & Addiction Services. She received her undergraduate degree in Social Work from Mississippi College in Clinton, MS and her Masters degree in Social Work from the University of Denver in Denver, CO. Moody has experience with chemical dependency case management with Arapahoe House, Inc. and in evaluating and monitoring medical professionals with the Colorado Physician Health Program, both in Denver, Colorado. She previously worked with Pine Grove's Legacy program developing, implementing, and treating addiction in adults age 55 and older.


Stephen Alfonso MT-BC

Stephen Alfonso MT-BC, is a board certified Music Therapist. Alfonso earned his degree from Loyola University in New Orleans and he has worked with clients who have experienced sexual trauma, sexual compulsivity, eating disorders, and other addictions since 1995. Alfonso is experienced with using non-verbal, expressive modalities. He has conducted psychodrama groups with sexual trauma clients, those with sexual compulsion, and clients with eating disorders since 1997. During the last five years, Alfonso has also worked with male eating disorder clients. Alfonso is classically trained in voice and he is a professional drummer and band leader with a popular band in the New Orleans area. He has also presented several lectures on the use of Expressive Therapy with survivors of trauma, eating disorders and sexual compulsion. Additionally, Alfonso uses his musical talents during drumming workshops to promote community and healing.


Mimi Leeds, MS, ADTR

Mimi Leeds holds a Bachelor of Arts in both psychology and dance from Sarah Lawrence College and a Master's Degree from Hunter College. Currently, living in Houston, Texas, she works as a certified Life and Wellness coach in private practice. She also has an established Skype therapy practice focusing on addiction, trauma resolution, lifestyle coaching and as a facilitator of her individualized healthy weight, and balanced life program. Her past experience includes working as a department head and therapist for River Oaks Psychiatric hospital in New Orleans for seventeen years. She has also been a group leader for onsite workshops in Nashville TN, and as a group therapist for Arizona Family Therapy Intensives. She has been a national speaker and created workshops focusing on the use of creative arts therapy in the treatment for adult survivors of trauma as well as self-care, compassion and nurturance as a means to healing and growth.


Roland Johnson

Roland Johnson has worked for Pine Grove Behavioral Health & Addiction Services since 1993. He currently serves as the Outreach Coordinator for Pine Grove’s REACH Program, which stands for Realistic Experiences and Challenging Horizons. REACH is an experiential therapy ropes course for Pine Grove’s residential patients. Each participant accomplishes key goals by pushing themselves past their personal comfort levels. This experience enhances the patients’ self confidence, communication skills, and self esteem while increasing their teamwork and trust building skills. After graduating from the University of Southern Mississippi with a degree in Coaching and Sports Administration, Johnson completed his certification as a ropes course facilitator and trainer. In 2012, Johnson received the "We C.A.R.E. Award" presented by Forrest General Hospital. This award recognizes staff members who make a positive impact on the patient’s experience.


Ralph Carson, R.D. B.S., B.H.S., Ph.D.

Ralph Carson, R.D. B.S., B.H.S., Ph.D., is a nationally recognized clinical nutritionist and exercise physiologist. Dr. Carson is a frequently requested speaker on a variety of nutritional topics for medical groups, pharmaceutical companies, universities, athletic training camps and corporations. He has a successful clinical practice as well as being a faculty member of the University of Alabama at Huntsville for over 20 years. Dr. Carson is also a nutritional advisor to numerous university athletic departments including the University of Tennessee National Basketball Champion Lady Volunteers. Dr. Carson received his B.S. from Duke University, his B.H.S. in pathology from Duke University Medical School, and his Ph.D. in nutrition from Auburn University.


Brooke Helton, Dietitian

Brooke Helton works as a Registered Dietitian and has been a part of Pine Grove's team since 2007. She received her Bachelor's Degree from Mississippi State University where she also completed her dietetic internship. Brooke works primarily with the dual diagnosis patients in meeting their nutrition goals and challenging their eating disorders.


David Sellers, M.Div.

David Sellers served as associate pastor at Parkway Heights from 2005 to 2011. He is an ordained elder in the United Methodist Church, a member of the Order of St. Luke and part of SDI (Spiritual Directors International). He has over 20 years of experience in ministry as a youth director, retreat leader, hospital chaplain and church pastor. He received his M.Div. from Emory University with emphasis in Spiritual Formation. David facilitates group and one-on-one spiritual direction across all programs at Pine Grove.


Marita M. Harris, MS, LMFT, ACT

Marita M. Harris received her Bachelor’s degree in Psychology at Mississippi State University before obtaining her Master’s Degree in Marriage and Family Therapy at the University of Southern Mississippi. Marita is a Licensed Marriage and Family Therapist and serves as the Executive Director for the Mississippi Association for Marriage and Family Therapy. She is certified by the Academy of Cognitive Therapy as a Cognitive Behavioral Therapist, and she is also working towards becoming a Certified Sex Addiction Therapist.

  Leah Claire Bennett Peter Kamp Anthony Calabrese David Yowell
  Leah Claire Bennett
Program Director
Peter Kamp
Anthony Calabrese
Director of Psychology Services
David Yowell
Clinical Psychologist
  Marita Harris Sally Moody Stephen Alfonso Mimi Leeds
  Marita Harris
Clinical Therapist
Sally Moody
Clinical Therapist
Stephen Alfonso
Experiential Therapy
Mimi Leeds
Experiential Therapy
  Roland Johnson Ralph Carson Brooke Helton David Sellers
  Roland Johnson
Experiential Therapy
Ralph Carson
Brooke Helton
David Sellers
Spirituality Coordinator

Psychology Internship Program

Pine Grove has an excellent internship program that offers a wide range of training activities in our three rotations. We are able to offer interns opportunities for training in residential and outpatient settings working with adults, adolescents, and children. We are APA accredited as a single entity pre-doctoral psychology internship program under the name of Pine Grove Behavioral Health & Addiction Services, Doctoral Internship in Professional Psychology (PG-DIPP).

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