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Mood Disorders Service Team

Paul Holtzheimer, MD

Paul Holtzheimer, MD Paul Holtzheimer, MD, is Associate Professor of Psychiatry and Surgery and Medical Director of the Mood Disorders Service at the Geisel School of Medicine at Dartmouth, Dartmouth-Hitchcock Medical Center, and the White River Junction VA Medical Center. He is a Diplomate of the American Board of Psychiatry and Neurology.

Dr. Holtzheimer attended Pacific Lutheran University where he graduated summa cum laude with a B.S. in Biology and B.A. in Philosophy and Psychology. He then attended The Geisel School of Medicine at Dartmouth from 1995 to 1999, graduating with honors. He completed his psychiatry residency at the University of Washington School of Medicine in 2003, followed by a clinical research fellowship in transcranial magnetic stimulation from 2003 to 2004. He joined the faculty of the Department of Psychiatry and Behavioral Sciences at the Emory University School of Medicine in 2004, and in July, 2011 relocated to the Geisel School of Medicine at Dartmouth.

Dr. Holtzheimer's clinical and research efforts are focused on treatment-resistant mood disorders, brain imaging and brain stimulation therapies (such as transcranial magnetic stimulation [TMS], electroconvulsive therapy [ECT], and deep brain stimulation [DBS]). His clinical research program at Dartmouth aims to better understand the neural circuitry abnormalities underlying treatment-resistant mood disorders and to use this information to develop and advance novel treatment approaches, with a particular emphasis on brain stimulation therapies.

Nicole Ross, DO

Nicole Ross, DO Nicole Ross, DO, is an instructor of Psychiatry and Surgery and a psychiatrist in the Mood Disorders Service. Dr. Ross attended Quinnipiac University, graduating cum laude with a B.A. in Psychology. She then spent three years as a research assistant and study coordinator at Yale and Brown, studying risk factors such as HPA axis activity and genetic markers associated with biologic consequences of early life stress. She went on to attend medical school at New York College of Osteopathic Medicine from 2008 until 2012, and completed her psychiatry training at the University of Massachusetts Medical School in 2016. While at UMass, she was the co-investigator for several clinical trials for pharmacologic treatment of depression. She joined the faculty of the Department of Psychiatry at the Geisel School of Medicine at Dartmouth and Dartmouth-Hitchcock Medical Center immediately following training to continue her academic pursuits and to become adept at providing various neuromodulation interventions for the treatment of mood disorders.

Dr. Ross's clinical and research interests include understanding the role of inflammation in various phases of mood disorders, as well as focal brain stimulation techniques for treatment-resistant mood disorder patients.

Julie Plummer, RN

Julie Plummer, RN Julie Plummer, RN is a Research Nurse & ECT-TMS Coordinator with the Mood Disorders Service at the Geisel School of Medicine at Dartmouth and Dartmouth-Hitchcock Medical Center. Julie attended Greenfield Community College where she in 1994 graduated with a AA in liberal arts and in 1998 graduated with an ADN in nursing. She has completed certification courses in Electroconvulsive Therapy (ECT) in 2008 and Transcranial Magnetic Stimulation (TMS) in 2009. She also attended a visiting TMS Fellowship at Duke University in 2011. She is a member of the American Association of Nurses, Vermont State Nurses Association, the Clinical TMS Society and the ECT Coordinators Group. Prior to joining the Mood Disorders Service in 2013, she was affiliated the Brattleboro Retreat between 2005-2013 and ran the ECT Program. Julie has also served as a volunteer with Empathy Cafes from 2010-present.

Shannon Malloy, MA

Shannon Malloy, MA Shannon Malloy, MA joined the Mood Disorders Service in the summer of 2016 as a Research Coordinator. She received her undergraduate degree from the University of Southern Maine in Social and Behavioral Sciences with a concentration in Counseling. During her undergraduate studies, she worked as a statistics tutor, as well as served as a laboratory assistant during the summer of 2013 in a study examining the blood-brain barrier integrity. She recently graduated with her MA in Clinical Mental Health Counseling from William James College, where she completed her capstone project on reconsolidating intrusive memories as an implication for the secondary prevention of posttraumatic stress disorder. There she worked as a research assistant for the office of institutional research, aided in coding and interpreting data results for a PsyD student's doctoral project, and as a consultant serving brain injury survivors with Seven Hills NeuroCare. Shannon plans to continue her education in a clinical neuropsychology graduate program.

Ashley Maher, BA

Ashley Maher, BA joined the Mood Disorders Services in the spring of 2017 as a Research Coordinator. She received her undergraduate degree in Psychology from Colby-Sawyer College with Honors in 2016. During her undergraduate studies she interned for two semesters at the Dartmouth Psychiatric Research Center working on data collection and input on a study working with veterans with depression and suicidality. Ashley completed her undergraduate capstone on the relationship between the Mozart Effect and reading comprehension. After earning her BA, Ashley worked as a Research Coordinator-Assistant for the Dartmouth Trauma Interventions Research Center where she assisted with organizing Trauma-Informed trainings around New Hampshire and researched literature on trauma in children and youth in Child Welfare. Ashley has a deep fascination with learning about brain functioning and plans to continue gaining more experience and knowledge in the field of brain sciences.

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