Gerald is a choral director, educator, music arranger and chorister. He is on the teaching faculty of the Voices of Singapore Children’s Choir and is a chorister with a semi-professional choir, The Graduate Singers. He is also owner of Muziksea - a publishing company that champions Southeast Asian choral music and a Director at Choral Moments.

Gerald obtained his Master of Music in Music Education in 2022, and holds certificates in conducting, piano, voice and music theory from the London College of Music, Trinity College of Music, and Associated Board of the Royal Schools of Music.