Name: Giohans Koisyner Music Qualifications: Diploma II from Yayasan Musik Jakarta (YMJ)I play ATCL and LTCL equivalent pieces Notable Masterclasses: RolfDieter Arens: Rector of the Hochschule fȜr Musik Franz Liszt from 21176789 Dr. Kuei Pin Yeo: First Indonesian to earn a doctorate in Music; alumni of Manhattan School of Music; Founder of Yayasan Musik Jakarta (YMJ) Prof. Sumi Kwon: Music educator and pianist; board member of a number of societies, including the International Society for Music Education; Associate Professor in Korea National University of Education Dr. Kenji Fujimura: Internationalacclaimed pianist and chamber musician.