John Gunnar Carlsson is the Kellner Family Associate Professor of Industrial and Systems Engineering at the University of Southern California. He received a Ph.D. in computational mathematics from Stanford University in 2009 and an A.B. in music and mathematics from Harvard College in 2005. He is the recipient of Popular Science magazine's Brilliant 10 Award, the AFOSR Young Investigator Prize, the INFORMS Computing Society (ICS) Prize, and the DARPA Young Faculty Award, and serves as an Associate Editor for Operations Research, Management Science, Transportation Science, and Computers and Operations Research. He works on algorithms for solving problems in continuous location theory, and more generally, optimization problems that have some kind of geographic element.