I am currently a contract scientist at the NASA Goddard Earth Sciences and Data Information Services Center (GES DISC) at the NASA Goddard Space Flight Center in Greenbelt, Maryland, USA. My specialties are: GPM, TRMM, and other global precipitation products and services (i.e. Giovanni, intercomparison of precipitation products), data management and applications, and interdisciplinary research. My homepage: http://mason.gmu.edu/~zliu/