[3] He moved to the United States at the age of 15 where he attended high school at Wheaton Academy.
[6] On 9 February 2024, Gunn signed his first professional contract with New England Revolution II in the MLS Next Pro for the 2024 season.
[7] On 27 April 2024, he signed with the New England Revolution on a short-term contract for a Major League Soccer match against Inter Miami CF.
[8] On 11 October 2024, New England Revolution II exercised contract tying him to the club for the following season.
[9] In 2018, Gunn was called up to play for the Panama men's national under-18 basketball team at the 2018 FIBA Under-18 Americas Championship.