Tongtong Cao Tongtong Cao joined Jefferson Lab in 2022 as a Hall B staff scientist. Tongtong got his B.S. in 2006 and M.S. in 2010 from University of Science and Technology of China, and received his Ph.D. in 2016 from University of South Carolina. His doctoral thesis contributed on the JLab-Hall B g13a experiment in 2011-2016. As a postdoctoral research associate, he worked at Hampton University for the J-PARC TREK-E36 experiment in 2016-2019, and worked at University of New Hampshire for the HPS experiment in 2019-2022. He has authored over 30 papers published in refereed journals. Current Responsibilities in Hall B: Development of event reconstruction algorithms and software for the CLAS12 experiment, especially for updates of forward tracking with drift chambers and new resistive micro-well detector.