Christopher P. Lu (simplified Chinese: 卢沛宁; traditional Chinese: 盧沛寧; pinyin: Lú Pèiníng; born June 12, 1966) is Assistant to the President and Cabinet Secretary for United States President Barack Obama. Lu graduated from the Woodrow Wilson School at Princeton University and from Harvard Law School, where he was a classmate of Obama's. He served as a litigation attorney for the Washington, D.C. firm Sidley Austin before taking his first political position as Deputy Chief Counsel for Representative Henry Waxman and the Democratic staff of the United States House Government Reform Committee.

After serving briefly as an advisor on Senator John Kerry's 2004 presidential campaign, Lu came to work in Barack Obama's U.S. Senate office, where he served as legislative director and acting chief of staff. Following Obama's successful 2008 campaign for presidency, Lu was appointed executive director of the Obama-Biden Transition Project. When Obama appointed Lu as Cabinet Secretary, The New York Times described him as "one of the highest-ranking Asian Americans in the Obama administration".

Pierre David Guetta (7 November 1967), known professionally as David Guetta (French pronunciation: [daˌvid ɡɛˈta]), is a French house music producer and DJ. Originally a DJ at nightclubs during the 1980s and 1990s, he co-founded Gum Productions and released his first album, Just a Little More Love, in 2002. Later, he released Guetta Blaster (2004) and Pop Life (2007). His 2009 album One Love included the hit singles "When Love Takes Over" (featuring Kelly Rowland), "Gettin' Over You" (featuring Chris Willis, Fergie & LMFAO) and "Sexy Bitch" (featuring Akon), the last becoming a top five hit in the United States and all three reaching #1 in the United Kingdom, as well as another internationally known single called "Memories" featuring Kid Cudi which became a top five hit in many countries. Guetta has sold over three million albums and 15 million singles worldwide. He is currently one of the most sought-after music producers. As at 2012 David Guetta is the world's most popular DJ, claiming the #1 poll position of the DJ Mag 100 popularity poll.

Arne Duncan (born November 6, 1964) is an American education administrator and currently United States Secretary of Education. Duncan previously served as CEO of the Chicago Public Schools.

Duncan was raised in Hyde Park, a Chicago neighborhood encompassing the University of Chicago. He is the son of Susan Goodrich (née Morton) and Starkey Davis Duncan, Jr. His father was a psychology professor at the university and his mother runs the Sue Duncan Children's Center, an after-school program primarily serving African-American youth in the nearby Kenwood neighborhood. His ancestry includes Norwegian, Scottish, German, Swedish, and English; his great-great-great-grandfather was U.S. Representative Milo Goodrich. While growing up, Duncan spent much of his free time at his mother's center tutoring or playing with students there. Some of his childhood friends were John W. Rogers, Jr., CEO of Ariel Capital Management (now Ariel Investments) and founder of the Ariel Community Academy, Illinois State Senator Kwame Raoul, actor Michael Clarke Duncan, singer R. Kelly and award winning martial artist Michelle Gordon.^{[citation needed]}