Mayberry came to AU after a two year stint at Midwest Lacrosse Conference opponent Marian University where he was named the first coach in the history of Marian men's lacrosse in late May of 2016.

His ties to AU date back to his time at Widener University where he served as the Offensive Assistant Coach and Director of Recruiting under AU's inaugural Head Coach Brendan Dawson. .
While at Widener, Mayberry helped guide the Pride to three Commonwealth Conference Tournament appearances and in his three seasons with the program the Pride amassed a 19-5 conference record. He coached two USILA All-Americans, 20 all MAC-Commonwealth Conferences players, a Conference Rookie of the Year, and a North-South Game participant.