"From the very start, he knew pain, but also knew how to survive it," writes Walter Isaacson in his biography of Elon Musk. However, life took a turn for Musk after he moved to Canada and then to the United States for higher studies. Musk studied economics ...

The Department of Government Efficiency will not be a federal agency in the U.S. government but will provide advice and guidance "outside of government," Trump said.

Headed by Elon Musk and Vivek Ramaswamy, the body announced by Trump would operate outside government and provide advice to the White House on cutting spending.