Our Leadership

The staff at Gulf Coast Treatment Center is committed to fostering a holistic environment for healing and growth in young women. Our team of nurses, doctors, therapists, and licensed clinicians is equipped with the knowledge and skill set to encourage change and recovery in the young ladies we serve. Our staff is led by a skilled leadership team who work diligently to maintain high standards across everything we do. Learn more about our leaders below. 

Terry Abbott
Executive Director

Dr. Alexander Adelsberger

After receiving his bachelors from Temple University, Alexander Adelsberger attended medical school at the Philadelphia College of Osteopathic Medicine, in Philly, PA. He pursued his interest in community psychiatry and trauma-informed care in residency at Harvard South Shore, a Boston VA healthcare program and one of the four Harvard-affiliated psychiatry programs in the greater Boston area. Dr. Adelsberger “fast-tracked” into the child and adolescent program of his choice at the Children’s Hospital of Philadelphia and completed a two year fellowship. He is dual-board certified with the ABPN and continues to pursue his interest and efforts toward delivering quality, evidence based care in inpatient community and residential adolescent psychiatry.  

Monique ter Haar, LMHC
Director of Clinical Services

Angela Sanders DNP, AGPCNP, PMHNP, ADHDCSP
Psychiatric Nurse Practitioner

Angela is certified and trained to treat and manage medical and psychiatric conditions. She focuses on prevention, wellness, and treat and manage chronic illnesses. She is a certified ADHD Clinical Services Professional and certified as a Mental Health Integrative Nurse Practitioner. She is specialized in primary care and psychiatry. She also holds certifications in acute care, adult-gerontology primary care, and psychiatry.