Professional Experience
1997-present
- Associate Professor
- The Pennsylvania State University, Department of Architectural Engineering
1990-present
- Independent consultant on daylighting design & analysis (airports, schools, commercial buildings)
1999-2000
- Sabbatical Leave
- Lawrence Berkeley National Laboratory, Berkeley, CA
1997-1999, 2001-2003
- Graduate Program Officer
- Department of Architectural Engineering
1991-1997
- Assistant Professor
- The Pennsylvania State University, Department of Architectural Engineering
1986-1991
- Instructor
- The Pennsylvania State University, Department of Architectural Engineering
1982-1985
- Project Engineer
- Lighting Technologies, Inc., Boulder, CO. Key member of project team developing the original versions of Lumen-Micro, Lumen-Point and Lumen$