Jameson's early life was marked by a nomadic existence, as his father's profession necessitated frequent relocations throughout his childhood. Born on January 17, 1991, in Holyoke, Massachusetts, Jameson's formative years were spent in a variety of locations, including Florida, Connecticut, and Ohio. Eventually, his family settled in Atlanta, Georgia, where Jameson discovered his passion for acting.
As a full-time student at Atlanta Workshop Players, Jameson honed his craft alongside other aspiring thespians. During the summer, he attended AWP's renowned Camp Destiny, where he further developed his skills. His early performances at elementary and middle school laid the groundwork for his future success.
Jameson's high school education took place at North Springs High School's prestigious Performing Arts Magnet program in Atlanta, Georgia. This esteemed institution provided him with a rigorous education in the performing arts, preparing him for a career in the entertainment industry. In 2006, Jameson, along with his brother and fellow students from North Springs High School, had the unique opportunity to perform at the esteemed Edinburgh Fringe Festival in Edinburgh, Scotland.
Jameson's professional journey continued to unfold during a trip to Los Angeles with AWP's Hollywood Bound program. While in LA, he received an invitation to work in the city, marking a significant milestone in his career. In addition to his acting pursuits, Jameson is also a talented musician, serving as the lead singer of the band Jameson Moss and the Thrillers. When not performing, he dedicates his time to furthering his musical education, taking classes in music at Santa Monica College.