Texas Tech University, Lubbock, Texas

September 2004 – present

Post Doctoral Research Associate

Crop Modeling for the YieldTracker project funded by USDA-Cooperative State Research, Extension, and Education Service under the direction of Dr. Stephan J. Maas, Texas Tech University Plant and Soil Science Department.

Texas Tech University, Lubbock, Texas

August 2001 – August 2004

Research Assistant

Field study and development of a cotton crop model for the YieldTracker project under the direction of Dr. Stephan J. Maas, Texas Tech University Plant and Soil Science Department.

Kangwon Agricultural Research and Extension Services, Chuncheon, Republic of Korea

July 1992 - July 2001

Agricultural Researcher

Field studies on lowland rice: yield forecasting, photosynthesis, seedling media, and weed studies.