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Expert Team

Brain Stimulation Program

Dr. Irving RetiIrving Reti, MBBS is a research psychiatrist at The Johns Hopkins University. Dr Reti heralds from Sydney, Australia where he completed medical school at the University of Sydney before coming to Johns Hopkins for psychiatry residency. After completing a post-doctoral fellowship in neuroscience, he established his own laboratory which is focused on the field of brain stimulation. He is an Associate Professor in the Departments of Psychiatry and Neuroscience and is Director of The Electroconvulsive Therapy (ECT) Service at The Johns Hopkins Hospital. He founded The Brain Stimulation Program at Johns Hopkins in 2008 which has an active preclinical and clinical research program as well as offering specialty consultation and treatment with brain stimulation treatment modalities including transcranial magnetic stimulation (TMS). Clinical research focuses on TMS and its application in diverse populations including patients with traumatic brain injury. Dr Reti also directs a laboratory investigating aspects of synaptic plasticity related to brain stimulation and motivated behavior. He is interested in learning more about how ECT works and is conducting studies implicating the immediate early gene Narp in mediating the antidepressant behavioral effects of electroconvulsive seizures in mice. His other major focus is developing alternate treatments to maintenance ECT, such as deep brain stimulation, for autistic patients he has treated with severe self-injury who remain dependent on ECT to suppress this behavior. Dr Reti’s new book, Brain Stimulation: Methodologies and Interventions, was published in 2015. Dr Reti:

Charles Arthur MD

Charles R. Arthur III, M.D. is a clinical psychiatrist at Johns Hopkins Hospital in Baltimore. He completed his undergraduate education at the University of Virginia and he received his medical degree from Duke University School of Medicine in Durham, North Carolina. He completed a residency in adult psychiatry at Johns Hopkins Hospital.He is part of the brain stimulation team, using electroconvulsive therapy (ECT) and transcranial magnetic stimulation (TMS) to treat patients with severe and refractory mood disorders, including geriatric patients.  Aside from his focus on brain stimulation, Dr Arthur also treats patients with behavioral disorders including eating disorders and drug and alcohol dependency. Dr. Arthur:

Dr. Frank MondimoreFrancis Mondimore, MD is Associate Professor in Psychiatry at The Johns Hopkins University School of Medicine and the Associate Clinical Director of the Department of Psychiatry at The Johns Hopkins Hospital in Baltimore. He received his medical degree from Johns Hopkins and also completed his residency in psychiatry at The Johns Hopkins Hospital. Dr. Mondimore is the author of five books for general audiences on mental health issues, which have been translated into seven languages. They include Bipolar Disorder, A Guide for Patients and Families, and, with co-author Patrick Kelly, M.D., Borderline Personality Disorder, New Reasons for Hope, both from the Johns Hopkins University Press. He has also authored numerous book chapters and scientific articles and is on the faculty editorial board of the Johns Hopkins University Press. In addition to his consumer education work, Dr. Mondimore is interested in developing best practices guidelines for the treatment of mood disorders. Dr. Mondimore:

Dr. Christina MillerChristina Miller, M.D. is a board certified anesthesiologist specializing in neuroanesthesia and the Medical Director of ECT for the Anesthesia and Critical Care department. She completed her undergraduate degree at Dartmouth College and received her medical degree from the University of Pennsylvania. After completing anesthesia residency at Johns Hopkins, she joined the faculty and the Brain Stimulation Program. She has clinical research interests related to Electroconvulsive Therapy (ECT) and the prevention of recall during anesthesia. She is enthusiastic about training residents, students and observers who visit the ECT suite and providing a safe and compassionate environment for patients.

Nurse Melinda Walker
Melinda Walker, RN is the ECT nurse coordinator. A registered nurse with over 20 years experience in psychiatry at Johns Hopkins Hospital, she and the rest of the nursing team are certified and experienced in the nursing specialty of post-anesthesia care as well as psychiatric nursing. The dedicated ECT post-anesthesia nursing team, along with an anesthesia provider, deliver constant care to patients recovering from the anesthesia and electroconvulsive treatment. In addition, Ms. Walker offers education to patients and their families throughout their course of treatment. Melinda Walker:

Shannon SegresShannon Segres is the Lead Nurse Anesthetist in Neuroanesthesia and Electroconvulsive therapy at The Johns Hopkins University School of Medicine. Shannon attended the University of South Carolina-Columbia where she obtained her Bachelor of Science in Nursing. She completed her Master of Science in Nursing, specializing in Health Systems Management at Johns Hopkins University. Shannon completed her Master of Science specializing in Nurse Anesthesia at The University of Maryland. Shannon also has a Post-Master’s Certification specializing in the Teaching of Nurses and Health Professionals. She is currently pursuing a Doctor of Nursing Practice degree at The University of Maryland.

Kierra ThomasKierra Thomas, LPN is the TMS Nurse for the Brain Stimulation Program. She holds an Associates degree in psychology and is a Licensed Practical Nurse. Kierra is currently pursuing a Bachelor’s degree in Nursing. She is responsible for independently administering clinical treatments and research protocols. Her medical background helps patients feel safe while receiving TMS treatments in addition to helping patients understand what TMS is and how it can benefit them. Kierra Thomas:

Michael TibbsMichael Tibbs is the coordinator for the Brain Stimulation Program. He holds a Bachelor’s degree in Biology, and later pursued graduate work in the arts. After a stint on the stroke research team at the University of Minnesota, he now serves as the Johns Hopkins study coordinator for the Brain Stimulation clinical research trials and is the main contact person for outpatient ECT and rTMS. He is responsible for the scheduling of patients, conducting screening and follow-up interviews throughout treatment and study enrollment, recruitment, and data collection. To learn more about the clinical program or study trials, or to inquire about scheduling an evaluation with a brain stimulation specialist, contact us at 410-614-1732 or e-mail