In 2010, Dr. Xiao was a visiting professor at the Massachusetts Institute of Technology (MIT), where he focused on developing graduate courses in the subjects of dynamic system & control and power electronics. His recent research interest includes power electronic topologies for photovoltaic and battery interfaces, DC distribution power systems applied to smart building and microgrids, system modeling and control for renewable power applications, maximum power point tracking for photovoltaic power systems, and PV power system reliability.