Courtney Lorenz, LEED AP, BD+C, Sustainability Manager at XL Construction — She’s responsible for high performance goal setting through construction and post occupancy phases and responsible for the green story box. She’s a recipient of Sustainable North Carolina’s Sustainability Champion award. XL is sponsor of ILFI and administrator of LBC. It embraced California Best Buildings Challenge in which they reduced their HQ’s energy, water and waste by 20% in 2 years.