Hillary Hanson (Outreach Chair, Energy Services Coalition / CO Account Executive, Energy Systems Group) Hillary Hanson is the Colorado Account Executive for Energy Systems Group (ESG) and serves as the Outreach Chair for the Energy Services Coalition (ESC). With over a decade of experience in the engineering industry, Hillary specializes in energy performance contracting, facility condition assessments, and implementing complex commissioning innovations. As a Colorado native, she is dedicated to supporting large commercial and public sector clients in achieving optimal facility performance and advancing climate goals through guaranteed savings. Hillary holds a bachelor's degree from Emory University and a Graduate Certificate from Harvard Extension School.