Amarin (Niki) Ratanarat was born in Bangkok. Although he graduated university as an engineer, his passion was always music and theater. From early stage roles in Peter Pan and singing ensemble harmony in live music venues, he went on to post-graduate classical music studies; composing and singing theme songs for TV series; recording an original pop album and touring for Warner Music Thailand;  vocal coaching for GMM Grammy, the premiere Thai pop music company ; and was cast as a narrator in Thailand’s first modern stage musical, Ban Lung Mek (Throne of Clouds). Moving to Palm Springs in 2010, he performed several seasons with PSGMC before joining Modern Men where he was frequently featured as a soloist. Joining A CABBELLO in 2025, Niki brings heart, energy, and his trademark Thai smile to every performance.