Dianne was born into a family with a legacy of civic and social activism dating back to the period of Reconstruction in the U.S. and is committed to challenging the barriers of Race, Gender, Human Rights, Economic Disparity and embracing sustainability in all its dimensions and parameters domestically and internationally. Originally from Dallas, she has advised and served on over twenty-three U.S. delegations at the UN and International forums spanning the tenure of three U.S. Presidents. By appointment of the White House she attended the 1992 Earth Summit in Rio, followed by the 1997 UN General Assembly Special Session and the World Summit on Sustainable Development, 2002, making her the only person to serve on all three US delegations. For over a decade Dianne represented the World YWCA (Geneva, Switzerland) at UN Headquarters in New York, chairing the Millennium NGO-DPI Summit in 2000, which first introduced the Millennium Development Goals. In 1999 she was appointed to the Oxford University Commission on Sustainable Consumption. She spent ten years as chair of the U.S. Partnership-Education for Sustainable Development.