Professor Raymond Durrheim (PhD, Witwatersrand, 1990) holds the South African Research Chair in Exploration, Earthquake and Mining Seismology at the University of the Witwatersrand, Johannesburg. He is co-director of the AfricaArray research and capacity-building programme, co-leader of the Japanese-South African collaborative project “Observational studies in South African mines to mitigate seismic risks” (2010-2015), and principal investigator of the ICDP project “Drilling into seismogenic zones of M2.0 – M5.5 earthquakes from deep South African gold mines” (DSeis, 2016-present). Ray is the author or co-author of 120 refereed articles published in journals, conference proceedings and books and co-author of the paper that received the Society of Exploration Geophysics award for the best paper published in Geophysics in 2012. Ray was chair of the first two SAGA Biennial Conferences (in 1989 and 1991) and SAGA president in 1995/96. He received SAGA’s Meritorious Service Award in 2010 and the Krahmann Medal in 2015.