Gross was the all-time caps leader for the United States, until Mike MacDonald broke his record in 2011.

In August 2022, Gross accepted the position as head coach of the Indiana University Men's Rugby team.

Gross has worked for several years at the USA Rugby National Office in Boulder, Colorado as the High Performance Player Development Manager, helping and coaching at USA Eagles and All-Americans camps.

In February 2016, Gross was announced as the head coach of the new Sacramento PRO Rugby team.

[9] In August 2022, Gross accepted the position as head coach of the Indiana University Men's Rugby team.