Kathryn Adams Limbaugh is an American author and business executive. She is a #1 New York Times bestselling author, descendant of American Founding Father John Adams, president of the Rush and Kathryn Adams Limbaugh Family Foundation, and CEO of KARHL Holdings LLC. She is the creator and coauthor of the popular Adventures of Rush Revere middle grade American history book series, with all five bestsellers published between 2013 and 2016.