A 26-year veteran of NBC Sports, Bob has hosted six Olympics and been prominently involved in virtually every major sports event, including numerous World Series, Super Bowl and NBA Finals broadcasts. His most recent Olympics assignment was serving as prime time host for the 2004 Summer Games in Athens. His next Olympics assignment will be the Winter Olympic Games in February, 2006 in Turin, Italy.

Bob Costas began his professional career at WSYR-TV and radio in 1973 while studying at Syracuse University. In 1974, Bob landed a job at KMOX radio in St. Louis, Missouri, one of America's most prominent radio stations, where he broadcast a wide variety of live play-by-play and studio programs through 1981. One of his primary assignments during this time was announcing the play-by-play for the ABA's Spirits of St. Louis team. Costas also did regional NFL and NBA telecasts for CBS and was the radio voice of the University of Missouri basketball games as well as the NBA's Chicago Bulls.

From 1983 through 1989, Bob teamed with Tony Kubek on NBC's baseball "Game of the Week" telecasts. He also hosted the network's "NFL Live" pre-game show from 1984-1992, stepping aside following Super Bowl XXVII. In 1988, Bob began to diversify beyond sports broadcasting and served as a substitute host for Bryant Gumbel on NBC's "Today Show," then went on to host his own late night program, "Later...With Bob Costas." This Emmy Award-winning show featured in-depth interviews exploring the lives of newsmakers, entertainers and personalities from varied backgrounds. After a 5-1/2 year run, Bob left "Later" in February 1994. He still contributes occasional interviews and commentary to NBC's "Today Show" and "Nightly News" programs.

In the 1990's, Costas returned to baseball, handling play-by-play for NBC's All-Star, Playoff and World Series telecasts alongside Joe Morgan. Costas' frequent and passionate commentary about baseball's history, appeal and ongoing problems has earned him the respect and admiration of millions of fans. His book, Fair Ball, A Fan's Case for Baseball, earned excellent reviews, remained on the New York Times Best Seller List for several weeks and influenced the ongoing discussion concerning the game's direction. Bob was also the play-by-play voice of the NBA on NBC from 1997 through the 1999-2000 season.

In 2001, Bob Costas joined HBO Sports as the host of "On The Record With Bob Costas", a critcially praised and Emmy Award-winning program featuring a compelling mix of interviews, commentary and opinion. In 2005, the show was revamped to become "Costas Now", a monthly prime-time program with a greater focus on sports, that returns in the spring and airs year-round. This fall, Bob will return for his fifth year as the host of HBO's award-winning football program "Inside the NFL," cable's longest-running series. On "INFL," he teams with Dan Marino, Cris Collinsworth and Cris Carter to form a lively and popular team. The program received an Emmy Award in 2003 for Outstanding Studio Show-Weekly and again in 2005.

Bob Costas has uniquely been nominated for Emmys in five different categories: Play-by-Play, Hosting, Writing, Interviewing and Journalism. Of the seventeen total Emmy Awards he has won, fourteen were earned for Outstanding Sports Host or Play-by-Play, two were for Writing and one was for Interviewing. Bob has been named "National Sportscaster of the Year" an unprecedented eight times by his peers, most recently in 2000. When he won his first NSSA Award in 1985, he was thirty-three years old, making him the youngest announcer to be so honored.

In June of 2005, CNN announced that Costas will become a regular substitute host for Larry King on CNN, conducting prime-time interviews about 20 times a year.