Eileen O’Neill is the Executive Director of the Water Environment Federation (WEF), an international organization of water quality professionals headquartered in Alexandria, Va.

Prior to assuming this role in 2014, she had previously worked with the Federation for more than 20 years in a variety of positions, including responsibility for oversight of WEF’s technical, international, and communications programs, and served as the organization’s chief technical officer before becoming deputy executive director in late 2011. Before joining WEF she worked as an academic and in environmental consulting in the U.S. and in Europe.