Marco Tedesco is a research professor at the Lamont-Doherty Earth Observatory at Columbia University. After receiving his Laurea degree and PhD from the University of Naples Federico II and the Italian National Research Council, he went on to join the NASA Goddard Space Flight Center as a postdoc and later, as a professor, became the founder and director of the Cryospheric Processes Laboratory. Tedesco has been featured in Science and frequently speaks as an expert on polar regions for The New York Times, The Washington Post, NPR, and others. He lives in New York.