Leslie Birgit Vosshall (born July 5, 1965) is an American neurobiologist and currently a Howard Hughes Medical Institute (HHMI) investigator and the Robin Chemers Neustein Professor of Neurogenetics and Behavior at The Rockefeller University. In 2022 she was appointed Chief Scientific Officer and vice president of HHMI. She is also the director of the Kavli Neural Systems Institute at The Rockefeller University. Vosshall, a member of the National Academy of Sciences, is known for her contributions to the field of olfaction, particularly for the discovery and subsequent characterization of the insect olfactory receptor family, and the genetic basis of chemosensory behavior in mosquitoes. She has also extended her research into the study of human olfaction, revealing parts of human genetic olfactory architecture, and finding variations in odorant receptors that determine individuals’ abilities to detect odors.

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