Steinar L. Ellefmo is Associate Professor at the Department of Geoscience and Petroleum, Norwegian University of Science and Technology (NTNU). His research and teaching interests are within the broad field of mineral resource management and mining engineering, specifically geostatistics, 3D ore body modelling, mine planning and mineral resource potential assessment. Ellefmo is a member of the Australasian Institute of Mining and Metallurgy (AusIMM) and the Society of Economic Geologists (SEG).