Qigeng Li is a researcher specializing in advanced optimization and energy systems, with a strong focus on the integration and operation of modern power networks. His work centers on convex and global optimization, nonlinear systems, and power and energy systems, with particular emphasis on emerging challenges such as networked microgrids, distributed energy storage, and grid integration of renewable energy. He is also actively engaged in interdisciplinary areas including demand-side management, distribution system optimization, and the energy-water-food nexus.