Professor Atalay has addressed general audiences at the Cosmos Club, Smithsonian, National Geographic Society and Yale University; physicists, mathematicians and engineers at NASA, Caltech, Stanford, Harvard and Duke; physicians at Johns Hopkins, the University of Virginia and NIH; and the art community at Cornell, the Virginia Museum of Fine Arts (VMFA), Corcoran Gallery of Art (Washington, DC), and the High Museum (Atlanta, GA). He has given talks abroad at the Universities of Oxford, Istanbul, Vienna, as well as at a variety of venues in Asia — India, Japan, Korea, Malaysia, and Thailand. He is a regular keynote speaker to gifted students at Thomas Jefferson High School, and Johns Hopkins Center for Talented Youth (CTY). He is also a frequent lecturer on board ships of the Crystal, Seabourn, and Silverseas Cruise Lines.