Robert J. Koester first joined the Appalachian Search & Rescue Conference in 1981 and since then has participated in hundreds of searches. He holds an MS from the University of Virginia in Biology (NeuroBiology). He currently is a research associate at Kingston University in London. His contributions to search and rescue include seminal research on lost person behavior (with an early emphasis on dementia); fatigue research; sweep width research; radar research; and created the International Search and Rescue Incident Database (ISRID). A Type 1 Incident Commander, instructor for the Virginia Department of Emergency Management and past-president (15 years) of the Virginia Search and Rescue Council, Robert has also worked for the United States Coast Guard; National Aeronautics and Space Administration; National Park Service; Federal Emergency Management Agency; SAR Institute of New Zealand; and Justice Institute of British Columbia. He is the CEO of dbS Productions which provides research, publications and training services. Robert is the author of numerous books and research articles on search and rescue including: Lost Person Behavior. He has presented classes in Aruba; Australia; Canada; Iceland; Ireland; New Zealand; Norway, the United Kingdom; and throughout the United States.