Leigh Sadleir

Managing Director, Public Affairs

As Managing Director in the Millennium Challenge Corporation’s Department of Congressional and Public Affairs, Leigh Sadleir leads the communications teams to oversee and implement all activities and efforts engaging with MCCs domestic and international stakeholders. This includes communications and engagement efforts, contributing to the development and advancement of agency and program priorities and impacts around the globe.

Mrs. Sadleir joined MCC in 2015 and is building on more than 15 years of experience in policy and event management in Washington, DC. Before joining MCC, she was the director of events for the Center for Capital Markets Competitiveness at the U.S Chamber of Commerce. In this role she oversaw and executed more than 15 policy events each year focused on the financial services regulatory sector.

Mrs. Sadleir has a bachelor’s degree in business from Lake Forest College and completed the American University Washington Semester program focused on international business, trade, and development. She resides in Washington, DC.

  • Aid Effectiveness
  • NGO Consultations
  • Education