[1] A lock forward, Kohn won the English Premiership with Harlequins in 2011-12, starting in the final against Leicester Tigers.

[2] Kohn was forced to retire at the end of the 2012/2013 season due to injury.

In January 2013 Kohn announced that he was eligible to play for Wales as his grandfather was from the Rhymney Valley.

[3] On 25 January 2013 Kohn was called up to the Wales squad for the 2013 Six Nations Championship.

[4] Kohn made his international debut for Wales in their first match of the 2013 Six Nations Championship against Ireland at the Millennium Stadium, Cardiff on 2 February 2013 as a second-half replacement.