LSUHSC School of Medicine Psychiatry | LSU Psychology Faculty
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Core Psychology Faculty

Kristin L. Callahan, Ph.D. (2010, Applied Developmental Psychology, University of New Orleans; 2010 Post-Doctoral Clinical Psychology Fellow, Louisiana State University Health Sciences Center Department of Psychiatry): Dr. Callahan is currently an Assistant Professor of Clinical Psychiatry with the Louisiana State University Health Sciences Center. Dr. Callahan is the Director of the LSU Department of Psychiatry Assessment Clinic where she trains psychology interns, practicum students, and post-doctoral fellows in the completion and utility of comprehensive psychological and developmental assessments and oversees assessment clinic group supervision. She specializes in the clinical and research utilization of the Autism Diagnostic Observation Schedule (ADOS-2) for differential diagnoses including Autism Spectrum Disorder. She is the Co-Director of the Harris Infant Mental Health Training Program where she routinely teaches and supervises trainees in the assessment and treatment of infants and young children. She also serves as the Director of Practicum Placement and Training, supervising the teaching and clinical practice of local practicum students from the Chicago School of Professional Psychology at Xavier University and the University of New Orleans. She currently serves as a child psychologist for Metropolitan Human Services District providing therapeutic interventions and psychological evaluations and local charter school organizations assisting in the evaluation process informing individualized education plans. In 2018, she established and advanced an innovative program to increase access to psychological and developmental assessment services via telemedicine. She is active in the larger LSU Medical School, teaching medical students in Clinical Skills Integration, is the Co-Director of Human Behavior and Development, and as a member of Faculty Assembly and work environment task forces. She has served as the psychologist for the Child Development Center at the Naval Air Station Joint Reserve Base, Orleans Parish Head Start, Children’s Hospital of New Orleans, St. Bernard Community Health Center, and New Orleans East Community Health Center.

Amy B. Dickson, Psy.D. (1998, Clinical Psychology, Nova Southeastern University; 1998-1999, Postdoctoral Fellow in Infant Mental Health and Trauma work, Louisiana State University Health Sciences Center): Dr. Dickson is an Assistant Professor of Clinical Psychology at LSUHSC and is the Psychology Section Deputy Chief and the Child Coordinator of the Psychology Internship Training Program.  She co-directs the Harris Infant Mental Health training with Dr. Joy Osofsky, is a Child-Parent Psychotherapy trainer, and is the Director of the Orleans Parish Infant Team which treats children ages 0-5 years in the foster care system.  She is part of a Safe Baby Court and trains around the country on infant mental health and court team work.  Dr. Dickson consults to local child protection agencies, and sees clients at the Behavioral Sciences Center and at a federally qualified health clinic (NOELA). Dr. Dickson specializes in trauma.

Amy Henke, Psy.D. (2007, Clinical Psychology, Nova Southeastern University, Fort Lauderdale, FL; 2010 Postdoctoral Fellowship in Pediatric Psychology, Children’s Hospital Department of Psychology, New Orleans, LA; 2007 Pre-Doctoral Internship in Clinical Psychology, LSUHSC School of Medicine Department of Psychiatry, New Orleans, LA): Dr. Henke is a licensed psychologist who joined the clinical faculty at LSUHSC School of Medicine in 2010.  She currently works as Chief Psychologist on the Child and Adolescent Inpatient Unit located on the grounds of DePaul Hospital and operated by Children’s Hospital in New Orleans, LA. Dr. Henke is a pediatric psychologist who specializes in assessment and treatment of complex psychiatric diagnoses including Autism Spectrum Disorders and treatment in medically compromised children. As a graduate of the LSUHSC Harris Infant Mental Health Fellowship, Dr. Henke also provides Parent-Child Psychotherapy to infants, children, adolescents and families impacted by trauma.

Michelle B. Moore, Psy.D. (2009, Clinical Psychology, Pace University; 2009 Post-Doctoral Clinical Psychology Fellow, Louisiana State University Health Sciences Center Department of Psychiatry):  Dr. Moore is currently a Clinical Assistant Professor of Psychiatry at LSUHSC and serves as Training Director of the Psychology Internship Program. She specializes in complex trauma, infant mental health and school based populations.  Dr. Moore received her master’s degree in School Psychology and her doctoral degree in Clinical Psychology from Pace University in New York, NY.  She provides outpatient services at the LSU Behavioral Sciences Center and oversees psychology trainees at the Algiers Behavioral Health Center.  She also provides consultation and evaluation services to charter schools in the New Orleans area.  Her interests include the psychological effects of complex trauma on children, adults and families in both outpatient and school settings.  In addition to her clinical role, Dr. Moore serves as a Co-Director for the Human Behavior and Development Course taught to 1st year medical students.  Dr. Moore has served on the Louisiana Psychological Association Executive Council, is active in various divisions of APA as well as committees in the School of Medicine at LSUHSC.

Lindsey Poe, Psy.D. (2014, George Washington University, Doctor of Psychology in Clinical Psychology; 2014, Post-Doctoral Fellow, Louisiana State University Health Sciences Center): Dr. Poe is an Assistant Professor of Clinical Psychiatry at LSUHSC. She serves as Didactics Coordinator in the Psychology Internship Program and additionally is part of the Group Assessment Supervision team. Dr. Poe specializes in psychodynamic psychotherapy, group therapy, and psychological assessment. Currently, Dr. Poe is one of the lead psychologists for Psychiatric Inpatient Services at UMC-NO. She additionally is the bariatric psychologist at UMC-NO’s Center for Weight Loss and Bariatric Surgery and provides psychotherapy at the LSU Behavioral Sciences Center. Her interests include severe and persistent mental illness, complex trauma, and the effects of physical health on mental wellness.

William S. Walker, Ph.D. (2002, Long Island University, New York; 2007, Infant Mental Health Fellowship, Louisiana State University Health Sciences Center Department of Psychiatry): Dr. Walker is an Assistant Professor of Clinical Psychiatry in the Department of Psychiatry.  His interests include psychodynamic psychotherapy, psychoanalysis, chronic mental illness, and training and supervision of psychology interns and psychiatry residents. Dr. Walker teaches psychology interns and psychiatric residents on topics such as supportive psychotherapy, group psychotherapy, and psychodynamic psychotherapy. Dr. Walker also serves as a clinical supervisor for psychiatry residents and psychology interns.

Richard Costa, Psy.D., M.P. (2002, Argosy University, Georgia School of Professional Psychology, Doctor of Psychology in Clinical Psychology; 2003, Post-Doctoral Fellow in Clinical Psychology and Infant Mental Health, Louisiana State University Health Sciences Center Department of Psychiatry; 2011, Alliant International University, California School of Professional Psychology, Postgraduate Master of Science in Clinical Psychopharmacology):  Serves as Associate Director of Post-Doctoral Education. Interests: Trauma/rural trauma, HIV prevention, ADHD assessment and treatment, childhood trauma and resilience, parent/child psychotherapy, multicultural competence, Medical Psychology/Clinical Psychopharmacology, and Gay, Lesbian, Bisexual and Transgendered (GLBT) issues.  Primary Clinical Settings: LSUHSC School of Medicine, Trauma and Disaster Coalition for Child and Family Resilience Project (TDC4 CFR)

Philip T. Griffin, Ph.D.  (1975, Clinical Psychology, University of South Carolina) : Dr. Griffin received his PhD in Clinical Psychology from the University of South Carolina in 1975 with internship from Indiana University Medical School, Department of Psychiatry.  Dr. Griffin is a licensed psychologist (1978) and clinical neuropsychologist (1995). Currently, Dr. Griffin is Professor of Clinical Psychiatry and Chief of the Division of Psychology. Prior to joining the LSUHSC Department of Psychiatry in June of 2007 Dr. Griffin was full time faculty at Tulane University Medical Center where he was instrumental in developing that institution’s first Predoctoral Internship in Clinical Psychology, APA accredited in 1983. Dr. Griffin was awarded the Diplomate in Clinical Psychology from the American Board of Professional Psychology (ABPP) in 1987 and became a Fellow of the Academy of Clinical Psychology in 1994.  He was President of the Louisiana Psychological Association (LPA) in 1993 and received the Distinguished Career Award from the Louisiana Psychological Association in 1995. He was elected president of LPA again in 2009. Dr. Griffin was appointed by the governor of Louisiana to the Louisiana State Board of Examiners of Psychologists in 2013 and served through 2018. Dr. Griffin’s clinical activity has revolved around serving the underprivileged and underserved primarily on adult inpatient psychiatry units.  For over twenty years as Tulane faculty Dr. Griffin was a staff psychologist and director of psychological services at Charity Hospital of New Orleans, the primary teaching hospital for both Tulane and LSU prior to Hurricane Katrina. Currently Dr. Griffin is an inpatient staff psychologist and director of psychology at LSU Behavioral Health Center-DePaul Campus, and he serves as psychologist/neuropsychologist at the LSUHSC HIV Outpatient Program (HOP).

Jennifer Hughes, Ph.D. (2014, Clinical Psychology, University of California, Santa Barbara; 2014 Post-Doctoral Clinical Psychology Fellow, Louisiana State University Health Sciences Center Department of Psychiatry) is a Licensed Clinical Psychologist and Assistant Professor of Clinical Psychiatry with the Department of Psychiatry at the Louisiana State University Health Sciences Center. Clinically, Dr. Hughes specializes in the assessment and treatment of young children who have experienced traumatic events and serves as an early childhood consultant within primary care clinics and schools in the greater New Orleans area. Her work focuses on the impact of trauma on child development and family functioning. Dr. Hughes also directs the Psychology Consult/Liaison program in the University Medical Center Trauma Unit, providing direct patient care, supervision for psychology interns and coordinating associated research projects.

Joy D. Osofsky, Ph.D. (1969, Clinical Psychology, Syracuse University; 1976‑1978, Postdoctoral Fellow in Clinical Psychology, The Menninger Foundation; 1976‑1985, Psychoanalytic Training, The Topeka Institute for Psychoanalysis): Dr. Joy Osofsky is a psychologist and psychoanalyst and Professor of Pediatrics and Psychiatry at Louisiana State University Health Sciences Center in New Orleans. She is Head of the Division of Pediatric Mental Health. She is also an Adjunct Professor of Psychology at the University of New Orleans.  Dr. Osofsky has been Co-Director of the Louisiana Rural Trauma Services Center, a center in the National Child Traumatic Stress Network, a member of the Early Trauma Treatment Network of NCTSN, and Director of the LSUHSC Harris Center for Infant Mental Health in New Orleans.  She is editor of Children in a Violent Society (Guilford, 1997; paper, 1998), two editions of the Handbook of Infant Development (Wiley, 1979; 1987), and co-editor of the four volume WAIMH Handbook of Infant Mental Health. Dr. Osofsky’s 2004 (paperback 2007) edited book, Young Children and Trauma: Intervention and Treatment, includes contributions related to mental health, child welfare, the judiciary, and law enforcement. In 1995, she published an article, The Effects of Violence Exposure in Young Children (American Psychologist, 1995) that was chosen by the American Psychological Association as one of the top articles published in this journal in the past 50 years. Dr. Osofsky is also a previous editor of the Infant Mental Health Journal.  Dr. Osofsky is Past-President of Zero to Three: National Center for Infants, Toddlers, and Families and Past-President of the World Association for Infant Mental Health. She served on the Pew Commission for Children in Foster Care.  For several years, she consulted with Judge Cindy Lederman, Administrative Judge of the Juvenile Court in Miami/Dade County related to the development and evaluation of programs to benefit high-risk young children and families in court. In May 2006, Dr. Osofsky was honored by the Juvenile Court Judges of the 11th Judicial Circuit, Miami-Dade, Florida with the Child’s Heart Award in recognition of contributions to enhancing the health and well-being of children.

Phillip T. Stepka, Psy.D. (2009, Clinical Psychology, Argosy University Georgia School of Professional Psychology, 2009 Post-Doctoral Clinical Psychology Fellow, Louisiana State University Health Sciences Center Department of Psychiatry): Dr. Stepka is currently an Assistant Professor of Clinical Psychiatry with the Louisiana State University Health Sciences Center. His interest and specialties include trauma throughout the lifespan, child maltreatment, infant mental health, fetal alcohol effects/syndrome, pervasive developmental disorders, sexual abuse and sexual behavior problems, family therapy, and risk and resiliency factors in military families.  Dr. Stepka currently provides evaluative, therapeutic, and consultation services to military children, their families, and educators at the Belle Chasse Naval Air Station/Joint Reserve Base. He also collaborates with Navy Fleet and Family Support Services in implementing resilience-building interventions for children with deployed caregivers and providing multi-disciplinary treatment to military families impacted by abuse, neglect, and domestic violence. In addition, Dr. Stepka also provides diagnostic and therapeutic services to children and adolescents impacted by mental illness and traumatic events. With regards to the psychology internship, Dr. Stepka was a former Infant-Child Track intern with LSUHSC, co-leads the intern clinical case conference, and teaches several intern didactics on pervasive developmental disorders, integrated treatment approaches for personality disorders, and treatment of complex trauma throughout the lifespan.

Administrative Staff

Susan Gould
Psychology Section Adminstrative Secretary
Phone: (504) 903-9213
Fax: (504) 568-6006
sgould@lsuhsc.edu