For nearly five years, John Hoeffel has been a senior editor and an executive editor at National Geographic, editing features for the magazine and website on such wide-ranging subjects as the development of babies’ brains, the impact of climate change on Florida, what makes us lie, and the youngest U.S. face transplant recipient. Before coming to National Geographic, John worked at the Los Angeles Times in a range of reporting and editing jobs, including state editor, political editor, and assistant national editor. Before that he was an editor at the San Jose Mercury News and a reporter at the Winston-Salem Journal and at the Greenville News in South Carolina. John graduated from Cornell University with degrees in chemistry and history, focusing on the history of science. He has a master’s degree in journalism from Columbia University.