Tingfang Ji joined Qualcomm in 2003 and is currently a senior director of engineering in Wireless R&D. From 2003 to 2014, he made instrumental technical contributions towards the development of LTE and LTE-Advanced technology and served as a vice chairman of the radio working group (RAN4) of 3GPP. Since 2014 he has been responsible for the systems group and later all engineer groups of the first Qualcomm 5G research project, which is the main research engine behind Qualcomm's 5G NR air interface design/standardization efforts, sub6 GHz multi-vendor pre-commercial 5G NR IODT/trials, and the 5G use cases/technologies experimental macro networks.
Before joining Qualcomm, Tingfang was a member of the technical staff at Bell Labs. As an inventor, he has more than 800 US patent applications. Tingfang received his PhD degree in E.E. from the University of Michigan, Ann Arbor in 2001, and also holds a B.Sc. from Tsinghua University.