GP serves as Calit2 division director and director of the Integrated Nanosystems Research Facility on UC Irvine campus. He is also a professor with joint appointments in three department at UC Irvine: Electrical Engineering and Computer Science, Chemical Engineering and Materials Science, and Biomedical Engineering. Li holds 18 U.S. patents, has 15 patents pending and has published more than 280 research papers involving microelectronic technologies, microwave circuit design, Micro-Electro-Mechanical Systems (MEMS) for communication and biomedical instrumentation applications, and bio-nano-IT technology.