Dr. Jenny Liu recently has been appointed a member of  the Transportation Research Board (TRB) Standing Committee on Pavement Preservation — AKT20 from 2021-2024. TRB is one of seven program units of the National Academies of Sciences, Engineering, and Medicine, which provides independent, objective analysis and advice to the nation and conducts other activities to solve complex problems and inform public policy decisions.  Dr. Liu has been actively involved in TRB activities. Currently she is also a member of TRB AKM80 Committee on Mineral Aggregates. She has served on other TRB committees including AFK30, AFK50, and AFH50 for years in the past.  https://www.nationalacademies.org/trb/transportation-research-board