Dr. David Sills is Director of the Northern Tornadoes Project. He received a BSc in Atmospheric Science and Certificate in Meteorology from York University in 1993, as well as a PhD in Atmospheric Science from York University in 1998. He worked for more than 20 years as a severe weather scientist with Environment Canada, conducting research on Canadian tornadoes, storm nowcasting and mesoscale meteorology. He was awarded the CMOS Rube Hornstein Medal in Operational Meteorology and the Geoff Howell Citation of Excellence for Innovation.

Dr. Sills also serves as Deputy Director of the Canadian Severe Storms Laboratory and is an Adjunct Professor with both Western’s Civil and Environmental Engineering Department and University of Manitoba’s Department of Environment & Geography. He serves as Associate Editor for the journal Atmosphere-Ocean and is a key member of the ASCE Wind Speed Estimation in Tornadoes Committee charged with updating the EF scale.