Josette Sheeran is Vice Chairman of the World Economic Forum. Sheeran assumed this position on the conclusion of her term at the World Food Programme in April 2012. She was the eleventh Executive Director of the United Nations World Food Programme (WFP), appointed by United Nations Secretary-General Kofi Annan and Food and Agriculture Organization Director-General Jacques Diouf in November 2006. Prior to this post, she served as the United States Under Secretary for Economic, Business, and Agricultural Affairs in the State Department.

As Executive Director of WFP, Sheeran was responsible for managing the world’s largest humanitarian organization with nearly 11,000 staff worldwide. WFP provides emergency food aid to the world’s hungry as well as addresses the causes of chronic hunger. The UN estimates that there are more than 850,000,000 hungry and malnourished people, disproportionately represented by women and children who are often victims of war and natural disasters; those who do not have access to safe drinking water or sanitation; orphans and families affected by HIV/AIDS; and schoolchildren in poor communities.

David Michael Letterman (born April 12, 1947) is an American television host and comedian. He hosts the late night television talk show, Late Show with David Letterman, broadcast on CBS. Letterman has been a fixture on late night television since the 1982 debut of Late Night with David Letterman on NBC. Letterman recently surpassed friend and mentor Johnny Carson for having the longest late-night hosting career in the United States of America.

Letterman is also a television and film producer. His company Worldwide Pants produces his show as well as its network follow-up The Late Late Show with Craig Ferguson. Worldwide Pants has also produced several prime-time comedies, the most successful of which was Everybody Loves Raymond, currently in syndication.

In 1996, David Letterman was ranked #45 on TV Guide's 50 Greatest TV Stars of All Time.

Letterman was born in Indianapolis, Indiana. His father, Harry Joseph Letterman (April 1915 – February 1973), was a florist of British descent; his mother Dorothy Letterman (née Hofert, now Dorothy Mengering), a Presbyterian church secretary of German descent, is an occasional figure on the show, usually at holidays and birthdays.

Kevin Michael Rudd (born 21 September 1957) is an Australian politician who was the 26th Prime Minister of Australia from 2007 to 2010. He also served as the Minister for Foreign Affairs from 2010 to 2012. A member of the Australian Labor Party, Rudd has served in the House of Representatives since the 1998 federal election, representing Griffith, Queensland.

Rudd was born in Queensland and grew up on a dairy farm. He joined the Australian Labor Party at the age of 15 and was dux of Nambour State High School in 1974. He studied an arts degree in Asian studies at the Australian National University, majoring in Chinese language and Chinese history. In 1981, he married Thérèse Rein and they have three children. He worked for the Department of Foreign Affairs from 1981 and from 1988 he was Chief of Staff to the Queensland Labor Opposition Leader and later Premier, Wayne Goss. After the Goss government lost office in 1995, Rudd was hired as a Senior China Consultant by the accounting firm KPMG Australia.