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Adolescent Treatment Program

Our Team

Menninger’s Adolescent Treatment Program (ATP) boasts an experienced interdisciplinary clinical team with wide-ranging expertise. The team’s expertise includes disrupted attachment, complex trauma and emerging personality disorders, as well as mood and anxiety disorders.


Clinical Team

stevens-jonathan-md-2015-websiteJonathan Stevens, MD, MPH

Chief of Child and Adolescent Psychiatry and Medical Director, Outpatient Services, The Menninger Clinic

Assistant Professor, Menninger Department of Psychiatry & Behavioral Sciences at Baylor College of Medicine


Board certified in both adult and child and adolescent psychiatry, Dr. Stevens completed his residency in adult and child and adolescent psychiatry at Massachusetts General Hospital and McLean Hospital in Boston. He earned his medical degree and a master's degree in public health from New York Medical College and his bachelor's degree from Swarthmore College.


His research interests include the pharmacokinetics of ADHD medications, the treatment of psychotic and autism spectrum disorders and the metabolic side effects of psychiatric medications. He has presented at various conferences in this country and abroad.


Sandy Soenning, PhD
Dr. Soenning is a staff psychologist on ATP, where she provides individual and group therapy. She is specifically trained in collaborative assessments with teenagers.
Dr. Soenning received her doctorate in clinical psychology from Texas Tech University and trained at Louisiana State University Health Sciences Center in New Orleans and at The Menninger Clinic.
Vaughan Gilmore, LMSW, LCDC
Vaughan is the coordinator of Addictions Services for Menninger. She also coordinates addictions programming for ATP and assesses substance use, non-suicidal self-injury and co-occurring disorders to determine appropriate clinical interventions.
She provides family therapy for complex and diverse family systems to address psychosocial stressors that impact recovery and integrates evidence-based practices into individual and group therapy interventions.
Before joining Menninger, she was the lead therapist and program manager for an adolescent partial hospitalization program providing treatment for teens with co-occurring disorders. She has also worked as a crisis counselor and case manager for at-risk youth in schools.
Kristina Bullard, MSN, RN
Tina is ATP's nurse manager. She received a bachelor's degree in nursing from Stephen F. Austin State University and a master's degree in nursing with a focus on administration and leadership from Chamberlain College of Nursing. She is an active member of the American Psychiatric Nurses Association and Sigma Theta Tau International Nursing Honor Society.
She has an interest in working with individuals experiencing anxiety and has extensive experience in supporting patients' dialectical behavioral therapy skills development. Under her leadership, ATP's nursing staff practices the bio-psycho-social-spiritual model of care supported by a mentalizing stance with patients. She supports the nursing staff in providing a safe and trusting environment in which healing can occur.
Our Consultants
Peter Fonagy, PhD, FBA
Dr. Fonagy is the Freud Memorial Professor of Psychoanalysis and head of the Research Department of Clinical, Educational and Health Psychology at University College London and chief executive of the Anna Freud Centre, London. He holds a visiting position at the Child Study Centre at Yale University. He is a Fellow of the British Academy and currently chairs the Research Board of the International Psychoanalytic Association.
His work integrates empirical research with psychoanalytic theory, and his clinical interests center around borderline psychopathology, violence and early attachment relationships. He has published more than 500 peer-reviewed articles and chapters and has authored or edited 27 books, including Mentalizing in Clinical Practice, Social Cognition and Developmental Psychopathology and the forthcoming Handbook of Mentalizing in Clinical Practice.
Efrain Bleiberg, MD
Dr. Bleiberg is a professor and vice chair in the Menninger Department of Psychiatry & Behavioral Sciences, as well as the director of Child and Adolescent Psychiatry at Baylor College of Medicine. He also serves as the chief of service for psychiatry at Texas Children’s Hospital and as the senior psychiatrist at ATP.
Dr. Bleiberg has written and lectured widely, both nationally and internationally. His areas of expertise include disturbances in attachment development, trauma and emerging personality disorders.
John Hart, PhD
Dr. Hart received his doctorate in clinical psychology from Fielding Graduate University. He regularly presents his research and clinical perspectives on the nature and treatment of obsessive-compulsive disorder and other anxiety-related disorders at meetings and conferences across the country.
Dr. Hart is the director of Research and Professional Development for The Texas Chapter of the International OCD Foundation and is a board member of the Peace of Mind Foundation, an advocacy organization for individuals with OCD. He also serves as the facilitator for the Houston OCD Support Group.