Previously, she was the senior editor of the opinion pages at The Washington Times. She oversaw the online commentary content and wrote columns about national political issues. Her other journalism experience includes being senior editor of Human Events and a columnist for AOL's Politics Daily. She worked in the Washington news bureaus of two television networks. At ABC News, she was the associate producer for "This Week" and "Good Morning America." Her first job out of college was a desk assistant in the Washington bureau of NBC News.
Miller has also served in top national political positions. She was deputy press secretary at the U.S. Department of State during President George W. Bush's administration. She worked directly with Secretaries of State Colin L. Powell and Condoleezza Rice to develop communication strategies to achieve U.S. foreign policy objectives. Miller traveled with the secretaries on all overseas missions, taking her to 50 countries, most often to the Middle East.
Prior to her appointment, Miller worked on Capitol Hill. She developed strategic communications to support the leadership's legislative goals as communications director to then- House Majority Whip Tom DeLay (R-TX).
A Baltimore native, Miller is a cum laude graduate of Georgetown University's School of Foreign Service.