Jackie Jenkins works for the United Nations International School. It was founded in 1947 by families who worked for or were associated with the United Nations. The school was founded to provide an international education, while preserving its students' diverse cultural heritages. http://www.unis.org/
The United Nations is an international organization whose stated aims are facilitating cooperation in international law, international security, economic development, social progress, human rights, and achievement of world peace. The UN was founded in 1945 after World War II to replace the League of Nations, to stop wars between countries, and to provide a platform for dialogue. http://www.un.org/en/
The music in this video is by TED Fellow, Usman Riaz. See him playing on the TED stage here. You can also hear more of his music here: http://www.reverbnation.com/usmanesoterica
Here's a list of some cool greetings from around the world: http://www.brucevanpatter.com/world_greetings.html