Dr Fujun Niu
Dr Fujun Niu is a professor in civil engineering at the State Key Laboratory of Frozen Soil Engineering, Cold and Arid Regions Environmental and Engineering Research Institute, Chinese Academy of Sciences, with a focus on permafrost engineering, environment and geo-hazards. He has been undertaking research works on some major cold region projects, such as the Qinghai-Tibet Railway and the Qinghai-Tibet Highway in the Qinghai-Tibet Plateau, Haerbing-Dalian High-speed Railway in North-east China. He has published over 200 publications on permafrost and cold region engineering and has gotten many awards from the government, the Geological Society and Geographic society of China.

Alexey Lupachev
Alexey has a PhD in soil science, senior researcher at the Soil Cryology Laboratory of the Institute of Physico-Chemical and Biological Problems in Soil Science, Russian Academy of sciences since 2005. Main research interests are in studying of genesis and ecological functions of permafrost-affected soils in high latitudes and also at high altitudes, their structure and genesis, soil-permafrost interaction, cryoconservation of biota, nutrients and contaminants. Regular fieldsites are Kola Peninsula, Bolshezemelskaya Tundra, Polar Urals, North Jakutia, Baikal region, Kamchatka Peninsula, Antarctica, and some others. PYRN and APECS member. Co-chair of the Cryosol Working Group ( ) of the International Union of Soil Sciences since 2017. Personal website:

Antoni Lewkowicz 
Antoni Lewkowicz is Professor in the Department of Geography, Environment and Geomatics at the University of Ottawa. He has worked for more than 40 years across northern Canada on permafrost distribution, geomorphology and hydrology. He obtained his B.Sc. in Geography from the University of Southampton, and his MA and PhD from the University of Ottawa. He worked for an engineering consulting company for two years and then became a professor at the University of Toronto for 12 years before moving back to Ottawa in 1994. He edited the journal Permafrost and Periglacial Processes (2006-2012) and was President of the International Permafrost Association (2012-2016). He is currently Chair of the IPA’s International Advisory Committee and is the first President of the Canadian Permafrost Association.