With his numerous high-ranking positions over the years, the former NBC Universal President and CEO Jeff Zucker enjoyed a high television profile for several decades, only to find himself in the midst of one of the biggest debacles in television history. His notoriety began when he became the youngest executive producer in the history of the "Today" (1952- ) show at the age of 26. For over 10 years, Zucker transformed the show to make it the top morning show on the air, giving him carte blanche as the president of NBC Entertainment. During the first part of his tenure as NBC's head honcho, Zucker oversaw several early hits while riding the wave of inherited ratings winners like "The West Wing" (1999-2006), "Frasier" (1993-2004) and "Friends" (1994-2004). But as soon as those shows were off the air, Zucker struggled to find their replacements, which resulted in several poor decisions that turned the once mighty network into a fourth-place loser. His most questionable decision came in 2008 when he decided to give departing "Tonight Show" host Jay Leno an hour-long show five days a week at the 10 o'clock hour; a move that not only fell flat with audiences, but triggered an embarrassing public feud between Leno and his successor, Conan O'Brien, that many believed was destined to stain Zucker's career for years. But Zucker bounced back in 2012 when he was named president of CNN Worldwide, assuring that he would be a major media player for the long haul.