Alex Trebek an Emmy Award-winning Canadian-American television personality and best known as the host of the game show “Jeopardy!” since September 10, 1984. He has hosted numerous game/quiz shows and has appeared in television series, usually as himself.
In 1966 he started hosting the high school quiz show “Reach for the Top.” In 1970 he hosted “Jackpot!” In 1973, he moved to the United States and worked for NBC as host of a new game show, “The Wizard of Odds.” A year later, Trebek hosted the popular Merrill Heatter-Bob Quigley game show “High Rollers,” which had two incarnations on NBC (1974-76 and 1978-80). In 1982, Trebek was given the chance to host a pilot episode of “Starcade” (he was eventually replaced by Mark Richards). He also hosted game shows such as “Battlestars” and “Pitfall” before he was chosen to host the revived version of the game show “Jeopardy!” in 1984. He has been its host ever since. After three years of syndicated success with “Jeopardy,” he was hired by Mark Goodson to host the NBC daytime game show, “Classic Concentration,” which he continued with, and which also proved a success. Trebek was nominated for 4 Daytime Emmy Awards, but didn’t win. In 1991, he became the only host in United States TV history to helm three daily national game shows at once - “Jeopardy!,” “Classic Concentration” and “To Tell the Truth.”
Trebek has been personally honored with four Emmy Awards and a star on the Hollywood Walk of Fame. Trebek is active with a number of educational organizations and charities, donates a great deal of his free time to touring overseas with the USO, and serves as a spokesman for World Vision. He is on the boards of the National Geographic Society Education Foundation and the National Advisory Council for the Literary Volunteers of America.
Source - Wikipedia http://en.wikipedia.org/wiki/Alex_Trebek