Alkiviadis Bais graduated from the Department of Physics of the Aristotle University of Thessaloniki (AUTH) in 1981 and received his PhD in 1985. He is an Emeritus professor at the Department of Physics of the Aristotle University of Thessaloniki, where he has been active since 1981. Since 1987 he has been teaching courses on Atmospheric Physics in the undergraduate program of the Department of Physics and since 1993 in the Postgraduate Program of Environmental Physics. He has supervised the preparation of 20 doctoral dissertations. He was head of the School of Physics and Director of the Laboratory of Atmospheric Physics (LAP), the MSc in Environmental Physics and the Division of Applied and Environmental Physics.

His research activities focus on ultraviolet solar radiation and the ozone layer, global change, and Environmental Physics. He is actively involved in the quality control of spectral and broadband measurements of ultraviolet solar radiation, as well as in the technological developments of spectral measurements carried out by the spectrophotometers of LAP. He has been a principal investigator in more than 45 European and national research projects and has published more than 220 papers.

He has been a member of advisory groups of the International Meteorological Organization and a member of writing groups of international assessment reports for the ozone layer and ultraviolet solar radiation. Finally, he is a permanent member of the Environmental Effects Assessment Panel (EEAP) of the United Nations Environment Programme (UNEP).