From 2004 to 2012, Meng was the Chair of Harvard's Department of Statistics, where he helped create innovative new statistics courses designed to give students a more positive impression of the subject. He edited the journals
Bayesian Analysis from 2003 to 2005 and
Statistica Sinica from 2005 to 2008. On August 14, 2012, Xiao-Li Meng was appointed dean of
Harvard Graduate School of Arts and Sciences. Since its inception in 2019, he has been the editor of the
Harvard Data Science Review. ==Awards and honors==