Meet the Faculty

Casey Berson, MD

Associate Program Director

Casey Berson, MD, is an ABPN-Certified Adult Psychiatrist and ABPN-Certified Child and Adolescent Psychiatrist who is board eligible in Pediatrics. After completing a B.S. in Biological and Environmental Engineering from Cornell University, Dr. Berson earned a M.D. from St. George University.  She completed the Triple Board residency at the University of Kentucky where she served as Chief Resident of that program in her final year.  She was awarded the H. Otto Kaak Outstanding Child and Adolescent Psychiatry Resident Award in 2016.  While an undergraduate she worked as a research assistant in the Behavioral Analysis of Beginning Years lab under Michael Goldstein, Ph.D. in the Department of Psychiatry.  She also has psychotherapy training in both Trauma Focused Cognitive Behavioral Therapy and ENCOMPASS CBT+.

Frank Alexander Clark

Frank Alexander Clark, MD

Frank Alexander Clark, MD, is a board-certified adult psychiatrist, who received a Bachelor of Arts degree from Monmouth College in Illinois and a Doctor of Medicine degree from Northwestern University. He then completed his residency in general psychiatry at Palmetto Richland Hospital in Columbia, SC (now Prisma Health-Midlands).

He has held many leadership positions in national organizations including the American Medical Association (AMA) and the American Psychiatric Association (APA). Locally he serves on the board of directors for National Alliance on Mental Illness-Greenville (NAMI) and Mental Health of America-Greenville.

He has a strong passion for medical mission work and has traveled to numerous countries including Zambia, Ireland, Guatemala, Nicaragua, Canada, and Haiti to serve others medically and spiritually. He enjoys spending time with his family, running, writing poetry, and traveling.

His philosophy regarding resident education can be summed up in the following haiku:

See humanity
Lay footprints for young scholars
Hear the narrative

Caroline Dennis, LMSW, LPCS, LMFT

Caroline Dennis has been in the mental health field for over 25 years with experience in acute care, residential treatment, ambulatory practice, and clinical leadership.  She is dually licensed in South Carolina as a LMSW, LPCS, and LMFT.  She earned her Masters in Counseling from The Citadel and her Educational Specialist in Counselor Education from Augusta University.  Specialty areas include incorporation of DBT and mindfulness skills with a strong interest in the impact of spirituality in patient care.  She is married with three grown children and eight grandchildren. 

Jessie Hill

Jessie Hill, DO

Jessie Hill, DO, completed college at Drury University, where she majored in Biology and Psychology while playing Division I soccer. She commissioned as a Naval Officer and was awarded the Health Professions Scholarship, completing her medical school training at Kansas City University of Medicine and psychiatry residency at Naval Medical Center Portsmouth (NMCP). Following residency, Dr. Hill remained at NMCP and was granted faculty appointments at Eastern Virginia Medical School and Uniformed Services University of Health Sciences. In addition to resident education, Dr. Hill served as the Director of Medical Student Education and managed the Continuing Psychiatric Care program, the sole Naval specialty program on Eastern seaboard for severely mentally ill service members. She then spent the following three years at Naval Hospital Beaufort in SC, serving as the Department Head and Provider Wellness Committee chair, primarily engaged in outpatient care. Following completion of her Naval career in 2021, she moved to Greenville with her husband and two children. She maintains a passion for serving patients with severe mental illness and eagerly welcomed the opportunity to spearhead the program’s Consult-Liaison service.


Heike Minnich, PsyD, HSPP, Dipl-Psych

Heike Minnich, PsyD, HSPP, Dipl-Psych, is a Licensed Clinical Psychologist who completed graduate work in psychology at Johannes Gutenberg University in Germany before earning her PsyD in Clinical Psychology at the University of Indianapolis. Dr. Minnich has contributed to her profession through clinical work, teaching, leadership, and scholarly activities. Having been active as a clinician her entire career, she has served individuals and families across the life span. Her clinical expertise and contributions to the Indianapolis community led to the recognition of Health Care Hero in the Indianapolis Business Journal in 2014. Dr. Minnich has held faculty appointments at academic institutions since 2002. Prior to joining University of South Carolina School of Medicine-Greenville she called Indiana University School of Medicine and University of Indianapolis her professional homes. She has experience teaching psychology undergraduate and clinical psychology graduate courses and has provided supervision and teaching to medical students, residents, fellows, clinical psychology practicum students and psychology post-doctoral fellows. She has received recognitions for teaching and supervising, including the 2004 Teacher of the Year, 2008 Clinical Supervisor of the Year, 2015 Lecturer of the Year, and 2018 Excellence in Teaching Award. In 2018 she received the Victor J. Teichner Award through AAPDP and AADPRT.  Dr. Minnich has held various leadership roles throughout her career. She currently serves as Division Chief of Psychological Services in the Department of Psychiatry at Prisma Health. She was the recipient of the 2012 Indiana University Health President’s Values Leadership Award and the 2012 Indiana University Health Academic Health Center Leadership Award. Dr. Minnich enjoys opportunities to contribute to the field through scholarly activity. She has served as dissertation advisor for doctoral clinical psychology students, reviewed research projects at the University of Indianapolis Institutional Review Board, and served as ad-hoc reviewer for three professional journals. She was Gold Standard Reviewer and investigator for the NICHD Neonatal Research Network for 8 years, with data contributed leading to more than 25 peer reviewed publications. She was a consultant for a multi-year SAMHSA grant through the Center of Pediatric Traumatic Stress at CHOP, developed an adaptation of the Psychosocial Assessment Tool 2.0 for adoptive families with that team, and has been invited speaker at national conferences to share the results of that work.

Jessica Obeysekare, MD

Assistant Associate Program Director

Jessica Obeysekare, MD, completed college at the University of Pittsburgh, where she has dual degrees in Anthropology with a concentration in Latin American Studies and a paramedicine. She attended medical school and psychiatry residency training at Brown University. Dr. Obeysekare was unfamiliar with this part of the country but heard about Prisma Health when a colleague transferred to South Carolina.  She decided to explore for herself, loved the area and the opportunity, and decided to move here with her family.  She has a deep interest and experience in women’s reproductive psychiatry and has oriented her academic and clinical roles within the Greer residency toward that field.

Jennifer Szelistowski, DO

Jennifer Szelistowski, DO, is an adult psychiatrist at Prisma Health Greer Center for Psychiatry and the Spartanburg Area Mental Health Center in Spartanburg, SC. A Pennsylvania native, she completed a BS in Biology with a minor in Spanish at Temple University in Philadelphia. Following her undergraduate career, she completed her medical degree at the Edward Via College of Osteopathic Medicine in Spartanburg, SC, and subsequently her residency training in psychiatry at Geisinger Medical Center in Danville, PA. Her clinical interests include adult outpatient psychiatry, consult/liaison medicine, and medical education. When not working, she enjoys spending time with her family, traveling, reading, and learning academic and pop culture trivia.                                                                                                                                                                                                   

Belynda Veser, MD

Belynda Veser, MD earned her BS in Nursing from the University of Delaware in 1991. She then completed medical school at Eastern Virginia Medical School in 1995. Dr. Veser finished her general adult psychiatric residency at MUSC in 1999 and completed a fellowship there in geriatric psychiatry in 2006. She is ABPN-certified in both geriatric and adult psychiatry. While in Charleston she had experience in both private practice and community mental health. Other professional experience includes working in the Asheville VA Medical Center on a team that served those with SPMI (severe and persistent mental illness). Dr. Veser served as the medical director at St. Lukes Hospital Center of Behavioral Health in Columbus, NC from 2013 until its closure in April of 2020. This was a 10 bed inpatient psychiatric unit that served individuals age 55 and over for various psychiatric conditions including depression, dementia, anxiety disorders and others. She had been working on the unit since 2006, when she and her family moved to Columbus, NC from Charleston, SC.  Her philosophy is to find the humanity and strength in all people before diagnosing or treating any condition.