Mark J. Lindquist has appeared in ABC's LOST, CBS' Hawaii Five-O and the Universal Studios movie "Battleship." As a highly soughtafter National Anthem singer, he performs for the largest crowds in America for teams such as the Minnesota Vikings, the Los Angeles Dodgers, Duke University Men's Basketball, the College World Series, the NCAA and in venues such as Madison Square Garden. He is the author of the books, "Passion! 8 Steps to Reignite Yours," "Passion! 8 Steps to Find Yours" and "Service! My Way of Life.

Mark has performed live for over 2.5 million people in 22 countries and 44 states throughout his career. He has performed for Grammy winning artists, Academy Award nominated actors, foreign dignitaries around the world as well as staffers at the White House. Mark has been featured on CNN.com, C-Span, The Washington Post, The Washington Times, The Dallas-Fort Worth Star Telegram, The San Francisco Chronicle, The Miami Herald, The Houston Chronicle and the Korea Today Newspaper (Seoul, South Korea).

Mark is a former AmeriCorps member, as well as a former Sergeant in the United States Air Force and an Afghanistan War Veteran who is based out of Denver, Colorado.