He was a Fulbright scholar at Oxford University (Brasenose College), receiving a First Class Honors Degree (B.A.)
Foster became a partner with Patton Boggs and Blow from 1988 until 1998. and with Greenberg Traurig LLP from 1998 until 2014.
Since May 2014, he has been Senior Counsel at Whiteford, Taylor & Preston LLP and has been listed in Best Lawyers since 2003.
[3] Allen Foster is a Knight Grand Officer in the International Order of St.
Presidio County, Texas sheriff Danny Dominguez reported that Foster and the other members of the order insisted he had no authority in conducting an investigation of Antonin Scalia's death on February 12, 2016, because that authority was vested in the U.S.