Dr. W.S. Sampath is Professor in the Department of Mechanical Engineering at the Colorado State University (CSU). He has been a faculty member at CSU since 1985 with research focus on CdTe photovoltaics since 1991. His research group has demonstrated an efficiency of 20.1% for polycrystalline thin film CdTe photovoltaics, one of the highest efficiencies among universities and has published more than 130 papers. He is a site director of the NSF I/UCRC (Industry/University Co-Operative Research Center) for SPF2050. The center has completed ten years (Phase I & II) and is currently in phase III that includes financial support from industrial members. His research has been supported by NSF, DOE, EPA, USAID, UN-ICS, and industry over the past 37 years.