CANCELED 

Dr. Peter Marra is the Director of the Georgetown Environment Initiative (GEi), Laudato Si' Professor in Biology and the Environment, and Professor in the Mccourt School of Public Policy. He arrived at Georgetown University after a 20-year career at the Smithsonian Institution, most recently as Director of the Migratory Bird Center. He has a Ph.D. from Dartmouth College and has authored over 225 papers published in journals such as Science, Nature and Conservation Biology on various aspects of the biology and conservation of birds and other animals, as well as on topics as broad as urban disease ecology. He co-edited the frequently cited book - Birds of Two Worlds and recently published a second book - Cat Wars: The Devastating Consequences of Cuddly Killer. He is one of the lead authors of a September 2019 paper in Science documenting the net loss of about 3 billion birds in North America since 1970.