1. Registered and Certified Professional Hydrologist-Ground Water (#1539) with the American Institute of Hydrology (AIH) 2000-present.;
2. NCSA(National Computer Security Association), Principal Investigator, 2000-2001.;
3. The American Society of Civil Engineers (ASCE, Hydraulics & Hydrology) 2003-2005.;
4. American Geophysical Union (AGU, Hydrology) 1988-present.;
5. A scientist in geofluid migration, IGNS 1999.;
6. Several applied geohydrology summer research assistants, KGS 2002-2005.;
7. Several hydrogeologists, MACTEC 2005-2007.;
8.包括ASCE Journal of Hydraulic Engineering , Computers & Geosciences, Communications in Numerical Methods in Engineering, Environmental Modeling & Software, Ground Water, Hydrogeology Journal, Journal of Hydrology, Journal of the Operational Research Society (JORS), Nature and Science, Water Resource Research, Journal of Environmental Sciences, Hydrological Sciences Journal等国际学术期刊特邀审稿人。