Brooke D. Anderson
Ambassador Brooke D. Anderson (born 1964) is a founding partner of the Hyalite Group and a Visiting Professor at Montana State University. She was previously an American diplomat who served as a U.S. ambassador at the United Nations, as Chief of Staff and Counselor for the White House National Security Council, and as Senior Advisor to the Secretary of State and the Under Secretary for Political Affairs on the Iran Nuclear Negotiations. She has served as a trusted advisor to U.S. presidents, Cabinet Secretaries, members of Congress, presidential candidates, philanthropists and business leaders.
Anderson is a graduate of Sarah Lawrence College and spent a year studying abroad at Sciences Po in Paris, France. In 2014, she was awarded an honorary doctorate in letters from Montana State University.
In March 2009, she became Susan Rice's chief of staff at the UN, and in April 2010 she was promoted to become one of Rice's deputies and the U.S.'s alternate ambassador to the UN when Rice is absent. At the UN, she focused on issues involving UN peacekeeping and nuclear nonproliferation.
White House National Security Council
On Thursday, December 16, 2010, the White House Office of the Press Secretary announced that Anderson had been appointed by President Barack Obama to serve as the Chief of Staff and Counselor to the National Security Staff at the White House beginning on January 12, 2011. Ambassador Anderson served in this position until March 2012, dealing with challenges including nuclear weapons issues, the conflict between Sudan and South Sudan, and the political transition in Egypt. Upon her departure, President Barack Obama said of her, "I have been deeply appreciative of Brooke Anderson’s service dating back to 2007," and that Anderson had "been a close, trusted and valued advisor for many years." 
On July 23, 2015, President Barack Obama appointed Ambassador Anderson as a member of the President's Intelligence Advisory Board  where she served until January 2017. She also served as a member of the Department of State's International Security Advisory Board from December 2014 - January 2017.
Iran nuclear negotiations
On February 19, 2014, the New York Times reported that Anderson had joined the U.S. negotiation team as a Senior Advisor to the Secretary of State and the Under Secretary for Political Affairs on the Iran nuclear negotiations. In a background briefing call the following month, a senior administration official announced that Anderson would be permanently based in Brussels, Belgium, and attend both the experts and political directions meetings as well as support the European Union. On June 15, 2014, the United States Department of State announced that Anderson would travel to Vienna, Austria. as part of the U.S. delegation to the comprehensive nuclear negotiations of the P5+1 political directors with Iran. Following the meeting among P5+1 political directors in June 2014, the department announced that Anderson would travel to Geneva, Switzerland, as a U.S. delegate for consultations with Iran on September 4–5, 2014 in the context of the P5+1 nuclear negotiations.
- "Aide's Return to White House Reflects Changing U.S. Role in Middle East". New York Times. Retrieved 17 June 2014.
- "Brooke D. Anderson Bio" (PDF). Montana State University. Retrieved 6 September 2014.
- "MSU to award honorary doctorate to American diplomat Brooke D. Anderson". Montana State University. Retrieved 2018-01-28.
- Anderson, Photo Courtesy of Brooke. "American Diplomat Brooke Anderson to Receive Honorary Doctorate from Montana State University". Bozeman Daily Chronicle. Retrieved 2018-01-28.
- "SECURITY COUNCIL PRESS STATEMENT ON CÔTE D'IVOIRE". U.N. Security Council Department of Public Information. Retrieved 17 June 2014.
- "Statement by the White House Press Secretary on Brooke Anderson". White House Office of the Press Secretary. Retrieved 17 June 2014.
- "White House Announces New Executive Secretary/Chief of Staff for the National Security Staff". White House Office of the Press Secretary. Retrieved 6 September 2014.
- "President Obama Announces More Key Administration Posts". whitehouse.gov. 2015-07-23. Retrieved 2018-01-28.
- "Background Briefing on Next Week's EU-Coordinated P5+1 Talks With Iran". Department of State Office of the Spokesperson. Retrieved 14 March 2014.
- "Under Secretary for Political Affairs Wendy R. Sherman Leads Delegation to Vienna". Department of State Office of the Spokesperson. Retrieved 17 June 2014.
- "U.S. Delegation Travel to Geneva for Talks With Iran on Its Nuclear Program". Department of State Office of the Spokesperson. Retrieved 6 September 2014.