Miles Taylor is the former Chief of Staff at the U.S. Department of Homeland Security. He oversaw the government's third-largest department's day-to-day operations, including nearly 250,000 employees and a $60 billion annual budget. Miles Taylor was the principal advisor to the Secretary of Homeland Security and managed engagement with the White House, federal agencies, foreign governments, and industry partners. Taylor also served as Deputy Chief of Staff and Counselor to Secretary John Kelly, advancing efforts to protect the United States against nation-state adversaries, criminal plots, terrorists, and cyber threats.