Acuna started working with both the men and women goalkeepers at Occidental College in 2006. He is now entering his 18th season at Oxy, working both with goalkeepers and field players on the women's side. Acuna has trained and helped Oxy's Robin Fieldman earn SCIAC Goalkeeper of the Year honors in 2011, and Sydney Tomlinson earn United Soccer Coaches Third Team All-American in 2018.