Elected Academician of the International Eurasian Academy of Sciences in 2020, Professor Mengjun Liu is a distinguished Chinese horticulturist whose research and professional work have focused on jujube (Ziziphus jujuba) science, germplasm resources, genetic improvement, and cultivation. Born in April 1965 in Wangdu, Hebei Province, he received his B.S. from Hebei Agricultural University in 1984, his M.S. in Pomology from the same university in 1987, and his Ph.D. in Botany from Beijing Medical University, now Peking University Health Science Center, in December 1993. He has pursued his academic career at Hebei Agricultural University, serving successively as research trainee, research assistant, associate research fellow, and research fellow at the China Jujube Research Center (1987–2001), before becoming Professor at the College of Horticulture in December 2001. From 1996 to 1997, he conducted postdoctoral research at the National Institute of Horticultural Research, Korea. He was elected Academician of the Romanian Academy of Agricultural and Forestry Sciences in 2020. He currently serves as Lifetime Professor at Hebei Agricultural University, Dean of the College of Horticulture, Deputy Director of the National Engineering Research Center for Northern Mountain Agriculture, President of the Hebei Provincial Jujube Industry Technology Research Institute, and Director of the China–Romania Joint Key Laboratory on Jujube.