Mac leads Business Development for Green Seal within the Jan/San sector, with product manufacturers, distributors, building service contractors, hotels, and in higher education. Mac first joined Green Seal in 2014 and returned as National Partnerships Manager in 2019 after earning a dual MBA & M.S. in Energy Management degree from UT Dallas. He also holds a B.A in History from GWU and has 10+ years of experience in business development, account management, strategy, and marketing.