Paul McCown currently teaches the graduate renewable energy systems course which provides one of the areas of emphasis for the Master of Science in Sustainability. He is a registered professional mechanical engineer (PE) with 13 years of experience in the commercial building industry focusing on energy efficiency and sustainability for commercial and institutional facilities. His skills and tools of trade include mechanical design, energy modeling, LEED facilitation, building commissioning, retro-commissioning, energy audits, project management, business development, and construction administration. His professional certifications include: Energy Manager (CEM), LEED Accredited Professional (LEED AP), Certified Commissioning Authority (CxA), and Tridium Niagara AX Certification. Professor McCown has served on the boards of Middle Tennessee's U.S. Green Building Council chapter and the Tennessee Environmental Council, has published several professional articles concerning energy management, and has taught as an adjunct instructor at Vanderbilt University.