 Before joining Bigelow Laboratory, Bronk was the Moses D. Nunnally Distinguished Professor of Marine Sciences and chair of the Department of Physical Sciences at the College of William & Mary’s Virginia Institute of Marine Sciences.She previously served as division director for the National Science Foundation’s Division of Ocean Science, as president of the Association for the Sciences of Limnology and Oceanography, and as chair of the Council of Scientific Society Presidents, which represents over a million scientists in the US.In 2019, she twice testified before Congress on the effect of climate change on the ocean, before the House subcommittee on Water, Oceans and Wildlife and the Senate subcommittee on Science, Oceans, Fisheries and Weather.