Denis Hains, B.Sc., a.-g. had a 35+ year career with the Public Service of Canada, where he worked 20 years for Fisheries and Oceans Canada at the Canadian Hydrographic Service (CHS) in Mont-Joli and Ottawa, including 2 years with the Canadian Coast Guard. He also spent 15 years with Natural Resources Canada, particularly as the National Executive Director of the Canadian Geodetic Survey (CGS). He retired in 2018 as Director-General of the CHS and Hydrographer General of Canada in Ottawa.
He is the Founder, President and CEO of H2i (Hains Hydrospatial Int. Inc.); the representative appointed by the United States and Canada Hydrographic Commission (USCHC) on the International Hydrographic Review (IHR) Editorial Board of the International Hydrographic Organization (IHO); member of the Board of Directors of the Interdisciplinary Center for Ocean Mapping Development (CIDCO); and he is also, member of the Canadian Hydrographic Association (CHA).