Mackey joined the Connecticut Green Bank in 2012, where he leads the Commercial and Industrial Programs. In that role, through programs such as C-PACE, he helps commercial and industrial building owners, non-profits, schools and hospitals access affordable capital for clean energy projects. Before taking over the Commercial and Industrial portfolio in 2016, he served as the Green Bank’s Vice President and Chief Operating Officer. In that role, he helped lead the transformation, development and implementation of the Green Bank’s clean energy financing mission as well as running its day-to-day operations. Prior to joining the Connecticut Green Bank, Mackey was the White House Liaison at the U.S. Department of Energy. He has also held leadership positions in several political campaigns. He holds a Bachelor of Science degree in Political Science from Vanderbilt University.