John W. OlsenJohn W. Olsen, Ph.D., is an American archaeologist and paleoanthropologist specializing in the early Stone Age prehistory and Pleistocene paleoecology of eastern Eurasia. Olsen is Regents' Professor Emeritus of Anthropology and Executive Director of the Je Tsongkhapa Endowment for Central and Inner Asian Archaeology at the University of Arizona in Tucson, Arizona, USA. He is also a Leading Scientific Researcher at the [http://www.archaeology.nsc.ru/ Institute of Archaeology and Ethnography] of the Russian Academy of Sciences' Siberian Branch (Ведущий научный сотрудник; Институт археологии и этнографии, CO PAH) in Novosibirsk and Guest Research Fellow at the Chinese Academy of Sciences' Institute of Vertebrate Paleontology and Paleoanthropology (IVPP; 中国科学院古脊椎动物与古人类研究所客座研究员) in Beijing where he is Co-Director of the Zhoukoudian International Paleoanthropological Research Center (周口店国际古人类研究中心联席主任). Olsen is also a Foreign Expert affiliated with [https://web.archive.org/web/20161205205112/http://yak.bphg.com.cn/ The Yak Museum] in Lhasa, Tibet (西藏牦牛博物馆国外专家).
Olsen's role as Co-Director of the [http://paleomongolia.com Joint Mongolian-Russian-American Archaeological Expeditions] (Монгол-Орос-Америкийн Археологийн Хамтарсан Экспедици, Хамтран захирал; Российско-Монгольско-Американская Совместная Археологическая Экспедиция, Cодиректор) has been the nexus of his research activities since 1995, even as the Expedition's geographical focus has expanded to include Xinjiang (beginning in 2004) and Tibet (beginning in 2006) in China as well as other ethnic Mongol and ethnic Tibetan territories in Russia, the independent Central Asian republics of the former USSR, and the Himalayan region.
Olsen's research emphasizes the Paleolithic archaeology of arid lands and high elevations in Central and Inner Asia, especially Mongolia and Tibet. His interests include Quaternary paleoecology and the impact of environmental degradation on prehistoric societies; cultural ecology and environmental archaeology with emphasis on zooarchaeology, especially animal husbandry among pastoral and nomadic societies; and spatial analysis in archaeology, including applications of remote sensing and geographic information systems. Olsen has conducted collaborative archaeological fieldwork in the United States (Florida & Arizona), Colombia, Belize, the Philippines, Egypt, Sudan, the People's Republic of China (Tibet, Qinghai, Xinjiang, Inner Mongolia, Hebei, Shanxi, Shaanxi, Gansu, & Ningxia), Việt Nam, Kazakhstan, Uzbekistan, Turkmenistan, Russia (Siberia), and Mongolia (Mongol Uls). As of 2020, he has been director or co-director of 20 interdisciplinary archaeological field expeditions. Provided by Wikipedia