Bill is a Professional Engineer and is a mission critical industry subject matter expert in research, analysis, strategy and planning in the reduction of data center energy consumption, water use and indirect greenhouse gas emissions. Over the course of his career he has held senior technical leadership roles for consulting engineering firms, and has led mechanical and electrical engineering teams through a highly diverse portfolio of design and construction projects. Bill has authored over 40 articles on data center energy efficiency and has presented at over 50 industry conferences and seminars. He was one of the primary industry leaders working with the USGBC on the initial development of the credit language geared towards data centers, and has been a member of The Green Grid (TGG) since its inception. Bill’s contributions for TGG include chairing the Liquid Cooling Work Group, providing technical guidance for refining the definition of PUE, developing methodologies to allocate energy use and associated carbon emissions for different types of data centers, and developing algorithmic methods for TGG China’s Free Cooling Tool. Bill was awarded the Key Contributor Award by TGG in 2016.