[3][4] Prior to his move to Panama, Stempel was a community outreach officer with London club Millwall.
From 2012 to 2016, Gary Stempel was coach for the San Francisco football club located in La Chorrera, Panama.
After the 2018 FIFA World Cup, the current Panama manager, Hernán Darío Gómez, resigned.
[citation needed] In October 2019, Gary Stempel was awarded the Member of the Order of the British Empire for his services to youth and sport in Panama.
[citation needed] Stempel was born in Panama to a Panamanian father, and English mother.