Dr. Chaosheng Zhang, School of Geography and Archaeology, was recently elected as co-Chair of International Medical Geology Association, for the service term 2018-2021. Dr. Zhang served as a councillor of IMGA for two terms during 2013-2015 and 2015-2017. The purpose of IMGA shall be to facilitate and promote co-operation between geoscientists, biomedical researchers, decision-makers and professionals to address human and animal health problems caused by geologic materials or processes.