Biological & Ecological Engineering

Head, Biological & Ecological Engineering Department, Oregon State University.  July 2002-present

Associate Professor, Oregon State University, Bioresource Engineering Department.  July 1994 - present.  Activities include development of simulation models, nonlinear analysis tools and geographic information systems for agricultural and natural resource management.

Assistant Professor, Oregon State University, Bioresource Engineering and Crop & Soil Science Departments.  July 1989 - June 1994.  Activities include development of expert systems and simulation models for agricultural and natural resource applications.

Assistant Professor, Oregon State University, Crop & Soil Science Department. March 1988 -June 1989.  Activities include development and integration of expert systems and crop models for agricultural applications.

Post-Doctoral Systems Research Scientist, Oregon State University, Crop & Soil Science Department, April 1987 - March 1988.  Activities similar to above position.

Research Associate, Auburn University, Agricultural Engineering Department, February 1983 -April, 1987.  Research related to analysis and simulation of agricultural and biological processes.