Heather O'Neill is President and CEO of Advanced Energy United. Prior to adding her role as CEO, Heather served as President for the organization, having previously served as Senior Vice President, Strategic Partnerships, responsible for deepening and broadening Advanced Energy United's relationships with funders and foundations, as well as building partnerships with allied organizations that advance industry growth. 

Heather has spent her career helping build and grow mission-driven organizations. Before joining Advanced Energy United, Heather established and led the clean energy and environment portfolio at the Robertson Foundation, a $1 billion family philanthropy. Previously, she was Director, Public Affairs, for Danco Laboratories LLC, a start-up women's health pharmaceutical company.  

In addition to her work with Advanced Energy United, Heather sits on the board of directors for Climate Action Reserve.