Fiona Hill, Senior Director, US National Security Council, 2017-2019

The Trump Presidency challenged many public officials to make a choice – obey directives from the White House against their better judgment - or take a stand and face the wrath of the pro-Trump movement. Fiona Hill former Russia adviser at the White House took a stand. She was a key witness in the president’s first impeachment and has since had time to reflect on what Trump meant for America and its geopolitical standing. (Photo: Fiona Hill, the National Security Council’s former senior director for Europe and Russia. Credit: Chip Somodevilla/Getty Images)