Spencer Brown was born in Irvine, North Ayrshire, Scotland on 24 July 1997.
His passion for martial arts began at the age of 6 when he trained and competed in Karate at the national level.
When he was 15 years old, he started training in Muay Thai at the Rama Camp Gym after a friend introduced him to the sport.
[3][4] In May 2017, Brown fought against Miguel Martinez in Spain for the ISKA European championship title.
[5] On 26 January 2019, Brown won the WBC Super-Lightweight European title against Italian fighter, Luca Roma at Yokkao 35 in Turin, Italy.