Jung H. Pak, a well-known North Korea specialist and former Central Intelligence Agency official, has been tapped to work as a top foreign policy aide for President Joe Biden’s administration.

On Wednesday, Pak announced her new role as the U.S. State Department’s deputy assistant secretary for East Asian and Pacific affairs. She tweeted that it’s an “honor to be able to serve the American people again in this new capacity and work with the dream team.”

Pak formerly held senior positions at the CIA and has authored several books and articles on the DPRK, including a recent profile on the