David Sletten joined Mayo Clinic in 2001 as a senior research technologist in the Autonomic Disorder Center and is currently a Principal Research Technologist. His role includes enhancing health care delivery by improving methodology to record, display, and store clinical information. He also develops and adapts protocols for clinical testing. His research efforts include exploring novel approaches to improve stimulus for quantitative sudomotor axon reflex test (QSART), including the use of a gel preparation, altering stimulus configurations, and the use of electrical stimulation. Mr. Sletten also works with staff on approaches to develop instruments to quantify autonomic symptoms and function. He is active in the curriculum design and teaching of students within the Clinical Neurophysiology Technology School, and, as Assistant Professor of Neurology, Mayo Clinic College of Medicine, teaches postgraduate courses on Autonomic Testing to physicians and technologists. Mr. Sletten has been active in national and international meetings, with presentations focused on testing of autonomic function and instruments to evaluate autonomic symptoms. He has 5 first authorships and is co-author on 31 other manuscripts. He is also a co-author of Clinical Autonomic Disorders, Third Edition, Chapter 11 (edited by Dr. Phillip Low and Dr. Eduardo Benarroch). Mr. Sletten earned a B.A. degree from Winona State University in 2007, and an M.B.A. degree from Cardinal Stritch University in 2013. He was named Associate in the Department of Neurology in 2013.