Nemantha is a skilled Western Music Instructor with a Bachelor of Performing Arts Degree (Special) in Western Music from the University of the Visual and Performing Arts, Sri Lanka. He has also completed a Violin Diploma from the ABRSM, along with Piano and Theory Grade 6 certifications.

With over 8 years of teaching experience, including 4 years as a visiting Violin Instructor at his alma mater and 2 years in the UAE, Nemantha is well-versed in the ABRSM and Trinity College London syllabi. He teaches Piano, Keyboard, Guitar, and Violin.