Theoharis is a 1996 graduate of Middletown High School (Maryland) and of the University of Maryland. She started her media career in Salisbury, Maryland at WBOC news. and was formerly a sports talk radio host for WJZ-FM, and a sports reporter for WRC-TV in Washington, D.C.
In 2007, Theoharis joined MASN as a reporter. Some of her other duties for MASN included covering the Baltimore Ravens by hosting Ravens Xtra with Wally Williams and Bruce Laird and Playmakers, and reporting during Orioles telecasts. In 2011, instead of covering the Baltimore Orioles team on a day-to-day basis and providing live reports during and after games, she started focusing on interviews and features for the network's "Mid-Atlantic Sports Report," blogging regularly and filling in for sportscaster Jim Hunter alongside Rick Dempsey on the "O's Extra" pre- and post-game shows when Hunter shifts into the booth for play-by-play. She also hosted a sports talk show called The A-List on WJZ-FM 105.7 Baltimore and was a columnist for PressBox.
Theoharis was named Baltimore's most eligible bachelorette by Forbes. Theoharis is married to Todd Buchler and together they have two daughters.
- Zurawik, David. "Q&A with Amber Theoharis as she says goodbye to Baltimore for NFL Network job". The Baltimore Sun. Retrieved 2012-09-06.
- "Orioles Talent". Mid-Atlantic Sports Network. Archived from the original on 25 October 2007. Retrieved 2007-11-03.
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- OUTDOOR COMPASS - The Frederick News-Post : Archive