Dr Lunhua He is team leader of GPPD (general purpose powder diffractometer) at CSNS. She received her Ph.D. degree in 2002 in condensed Matter Physics from State Key Laboratory for Magnetism, Institute of Physics, Chinese Academy of Sciences, Beijing, P.R. China. She was responsible for the design and construction of GPPD. The scientific goal of GPPD is to provide a flexible and versatile powder diffractometer for a wide range of novel materials development and discovery. Her current research interests focused on the studies of neutron diffraction and scattering of magnetic materials and battery materials.