Barack Obama was the 44th president of the United States, elected in November 2008 and holding office for two terms. He is the author of two previous New York Times bestselling books, Dreams from My Father and The Audacity of Hope, and the recipient of the 2009 Nobel Peace Prize.

He lives in Washington, D.C., with his wife, Michelle. They have two daughters, Malia and Sasha.

Michelle Obama is wife of US President Barack Obama and First Lady of the United States. She was raised in Chicago and came from a family where there was always a vegetable on the plate.

Since entering the White House, Mrs Obama has launched a nationwide initiative to address childhood obesity by improving food quality in schools, increasing access to healthy, affordable food and encouraging physical activity.