Nijia Qian (male) was born in December 1995 in Lianyungang, Jiangsu. He was jointly supervised by China University of Mining and Technology and Delft University of Technology for PhD degree, and currently work as an assistant professor at School of Environment and Surveying of China University of Mining and Technology. He has been engaged in satellite gravimetry and satellite navigation data processing theory and application for a long time. His main research interests focus on inverting surface mass tranport by GRACE/GFO, hydrogeodesy applications by GRACE/GFO/GNSS, GNSS velocimetry, etc. He has published more than 20 papers in high-level SCI or EI journals, and served as a reviewer for journals such as Journal of Geodesy, IEEE Transactions on Vehicular Technology, Geo-spatial Information Science, and Remote Sensing.