Professional Activities
- Registration
- Licensed Professional Engineer in Pennsylvania
- Professional Society Activites
- Illuminating Engineering Society of North America
- Member, Papers Committee (1988-present); Chair (1997-1999), Vice-Chair (1995-1997), Secretary (1993-1995)
- Member, IESNA Technical Review Council (2002-2004)
- Member, Board of Fellows (1998-2001), Chair (2001-2003)
- Member, Taylor Technical Talent Award Committee (1997-present, Chair 2003-present)
- Member, Nomenclature Committee (1996-present)
- Member, JIES Task Force (2001-2003)
- Member, IESNA Medal Committee (1998-2001)
- Member, Economics Committee (1989-2002)
- Member, Calculation Procedures Committee (1983-2000), Chair (1992-1997)
- Member, Illuminance Selection subcommittee of the Committee for the Recommendation
of the Quantity and Quality of Light (1988-1993)
- Member, Task Force to Plan for a Visual Performance Metric (1994-1997)
- Member, Polarized Lighting Task Force (1993-1997)
- Commission Internationale de l'Eclairage (CIE)
- Member, U.S. National Committee (1988-present)
- U.S. Representative to TC6-13, Committee on Discomfort Glare (1991-93)
- Member of TC 3-31, Lighting Analysis in Real Interiors (1996-present)
- Consulting
- Daylighting consultant for approximately one dozen buildings, including sunlight reflection studies for airport control towers, sunlight penetration and sunlight shading studies, and daylight delivery system performance analysis and optimization for green buildings.
