| 2004- present | Associate Research Scientist, Institute of Human Nutrition, College of Physicians and Surgeons, Columbia University, New York, NY |
| 2004- present | Research Associate, Obesity Research Center, St. Luke's-Roosevelt Hospital, New York, NY |
| 2001 - 2004 | Postdoctoral Research Fellow, Obesity Research Center, St. Luke's-Roosevelt Hospital & Institute of Human Nutrition, College of Physicians and Surgeons, Columbia University, New York, NY |
| 2000 | Visiting Scholar, Children's Hospital of Philadelphia, Philadelphia PA |
| 1999 - 2000 | Chief Resident, Department of Pediatrics, (PUMCH), Beijing |
| 1997 - 1999 | Resident, Department of Pediatrics, PUMCH, Beijing |
| Co-Investigator | |
| R21 DK66360-01 (S.B. Heymsfield, M.D., P.I.) NIH/NIDDK MRI Visceral Adipose Tissue Partitioning: Advanced Models | 12/2003 - 11/2006 |
| Principle Investigator of Core B | |
| PO1-DK42618 (PI: D. Gallagher) NIH-NIDDK Program Project Grant Body Composition: Methods, Models, & Clinical Application Core B: Magnetic Resonance Imaging and Spectroscopy | 07/2005 - 06/2007 |
| Co-Investigator | |
| ADA Research Award (J. Albu, M.D., P.I.) Intramyocellualr lipid: effects of race and diets | 01/2005 - 12/2007 |
| Co-Investigator | |
| P30 DK26687 (D.C. Shungu, Ph.D., P.I.) NIH/NIDDK Pilot grant of Obesity Research Center 1H Magnetic Resonance Spectroscopic Imaging of Intramyocellular Lipid Metabolism | 09/2003 - 08/2005 |