President and co-founder of Advanced Energy Intelligence, LLC, a Boston-based energy data analytics firm focused on building energy efficiency. AEI uses all forms of energy data from utility bills, main meter, and BAS to understand how buildings are being operated. AEI develops whole-city Energy Maps and other visualization tools to deliver better project development insight to its partners and to provide a holistic view of energy and water consumption for cities, towns, campuses and large portfolios.