Ji Young (Rebekah) Yoon is a South Korean who has lived in Thailand for over 20 years. She received a Graduate Diploma in Teaching from Ramkhamhaeng University, and received a Bachelor of Art degree in Music Business (Voice) from Assumption University. 

She has worked at TCIS as a music teacher since 2010, and has held numerous concerts and music-related events. 

She is also a member of 'Siam Harmony’ (acapella choir), and has attended various concerts and competitions, earning a variety of prizes.