Journalist Katie Couric will kick off two weeks behind the iconic "Jeopardy!" lectern as guest host starting Monday, March 8 In the aftermath of longtime host Alex Trebek's death in November, the beloved game show has been featuring a roster of guest hosts that so far has included Mike Richards, the program's executive producer, and Ken Jennings, the Jeopardy! Greatest of All Time and consulting producer. Others scheduled to take their turns include Green Bay Packers quarterback Aaron Rodgers, television journalist Bill Whitaker, and actress and neuroscientist Mayim Bialik. With each guest host's appearance, a donation will be made to a charity of their choice. The amount donated will equal the cumulative winnings of the contestants that compete during the weeks they serve as guest host.