Mary Kay Henry

Mary Kay serves as International President of the Service Employees International Union (SEIU), the fastest-growing union in North America with 2.2 million workers in healthcare, public, and property services. Mary Kay joined SEIU’s staff in 1979, rising to become chief healthcare strategist and International Executive Vice President in 2004. She led the union’s efforts to win a stronger voice for healthcare workers and enact historic healthcare reforms. In 2010, Henry was unanimously elected International President. Mary Kay sits on the boards of the Economic Policy Institute, American Income Life, Fresh Thinking, and is an advisory member of the National Catholic Scholars for Worker Justice. She also serves on the Change to Win Leadership Council and is a founding member of SEIU’s gay and lesbian Lavender Caucus. Mary Kay previously served on the executive board of Families USA and was a labor adviser to the U.S. Catholic Conference of Bishops.