Mark K. Updegrove is the president and CEO of the LBJ Foundation and serves as Presidential Historian for ABC News. From 2009 to 2017, he was the director of the LBJ Presidential Library where he hosted the Civil Rights Summit in 2014, which included Presidents Barack Obama, George W. Bush, Bill Clinton, and Jimmy Carter.

Updegrove is the author of four books on the presidency including The Last Republicans: Inside the Extraordinary Relationship Between George H.W. Bush and George W.Bush and Indomitable Will: LBJ in the Presidency. He is also the executive producer of the recent CNN Original Series, “LBJ: Triumph and Tragedy.” He has written for The New York Times, Politico, Time Magazine, and National Geographic and has conducted exclusive interviews with seven U.S. presidents.

Earlier in his career, Updegrove served as the publisher of Newsweek and president of Time magazine's Canadian edition. He lives in Austin, Texas with his wife Amy Banner Updegrove.