Anand Gnanadesikan trained as an oceanographer. His primary expertise is in how the ocean circulates and influences marine life, climate, and atmospheric chemistry. Gnanadesikan earned his PhD from the MIT/Woods Hole Joint Program in physical oceanography and spent more than 15 years at Princeton University and NOAA’s Geophysical Fluid Dynamics Laboratory working to develop computer models of how the planet works. He joined the Johns Hopkins faculty in January 2011.