Dr. Marina Gertsvolf is the Team Leader for the Frequency and Time (F&T) group at NRC and is responsible for realizing the second, an SI unit of time, and for maintaining and disseminating the official time for Canada, UTC (NRC). 

Dr. Gertsvolf received her PhD from the University of Ottawa in 2009 and joined NRC as a research officer the same year. She has been working on a variety of projects from Cesium Fountain development to frequency comb construction, timescale generation and maintenance, as well as on calibrations and traceability.