On July 21, 2008, NBC announced that O'Brien's first Tonight Show would be on June 1, 2009. [Source: Wiki]. How Tall is Conan O'Brien & Jay Leno? Conan O'Brien is 6 feet 4 inches. Jay Leno is 5 feet 11 inches ...
Conan Christopher O'Brien (born April 18, 1963) Prior to his hosting career, O'Brien was a writer for Saturday Night Live and the animated series The Simpsons.
O'Brien was born in Brookline, Massachusetts, a suburb of Boston, the son of Ruth (née Reardon), an attorney, and Thomas Francis O'Brien, a physician, epidemiologist ...