He received a Bachelor’s degree in mechanical engineering from Carnegie Mellon University and a Master’s degree and Ph.D. in civil engineering from North Carolina State University. Since 2006, he has conducted research on the development and use of novel life-cycle, simulation and optimization models for environmental policy and decision support—with a primary focus on integrated waste management, energy systems and sustainable infrastructure. Dr. Levis is the author of more than 15 peer-reviewed publications and has made more than 30 presentations at conferences and workshops.