He was Guam's Chef de Mission at the 2024 Summer Olympics.

At the 2006 Micronesian Games, he won a silver medal in the team spearfishing event.

[1] At the 2014 Micronesian Games, he won a gold medal in the team spearfishing event.

[2] Borja as president of the Marianas Underwater Fishing Federation was the tournament director of the 2017 Inter-Pacific Spearfishing Competition, the first to be hosted in Guam.

[3] He succeeded his brother Kenneth Borja as Guam's spearfishing manager at the 2018 Micronesian Games leading his team to victory.