After taking nearly 18 months off, Thiel returned to play for Life University for the 2013 Division 1 and Elite Cup Series and was selected to represent Life University rugby at the Rugby Showdown against the Golden Lions as a member of the North American All-Stars before the event was canceled. In August 2014 Thiel signed a short-term deal with Saracens.
His debut with the Eagles was in November 2009 against Uruguay. He was selected to play with the USA Eagles for the 2011 and 2015 World Cups. Thiel co-captained the USA Eagles Select team at the 2013 Americas Rugby Championship where the Eagles finished second.