Tim Lieuwen is a professor and David S. Lewis, Jr. Chair with the School of Aerospace Engineering and the executive director of the Strategic Energy Institute at Georgia Tech. His interests lie in the areas of acoustics, fluid mechanics, and combustion. He works closely with industry and government, particularly focusing on fundamental problems that arise out of the development of clean combustion systems or utilization of alternative fuels. If you like making fire, making noise, and saving the planet all at the same time, these are all great problems to work on.