She is also the curator-in-charge of the Department of Mammalogy at the American Museum of Natural History and a professor at the Richard Gilder Graduate School.
[1] Simmons is also a professor at the Richard Gilder Graduate School, a Ph.D. program in comparative biology offered by the American Museum of Natural History.
Using living and fossilized specimen, she studies bat behavior, diet, mechanisms of flight, and echolocation, applying her knowledge of phylogeny to explain certain phenomena.
[2] Simmons has also accessed MorphoBank as the curator for the American Museum of Natural History to engage in outreach work.
In 2013, Simmons worked as part of the Morpholution program to help high school students engage in state-of-the-art digital analysis tools provided by MorphoBank to examine evolutionary relationships.