He was part of a duo with Stuart Scott, and became well known for his humor, most notably his impressions of Atlanta Braves broadcaster Skip Caray and provided interviews during the Home Run Derby.
Eisen was also the host of ESPN's reality series, Beg, Borrow & Deal.
For ESPN Radio, he served as host of Major League Baseball and as a guest host on The Tony Kornheiser Show and The Dan Patrick Show.
Outside of the world of sports, Eisen hosted the ABC show Domino Day.
He graduated in 1990 with a bachelor of arts degree, and in 1994 he earned a master of science degree in journalism from the Medill School of Journalism at Northwestern University.
Eisen was first a staff writer for the Staten Island Advance from 1990–1993, and the Chicago Tribune in 19.
was a professor of archeology at Princeton University.He was also President pro tem of Wells College in Aurora, New York.