Jefray Kurnia "Jeff" Arwadi (born 1974) is a musician, music producer, and graphic designer, a native of Jakarta, Indonesia who now resides in Calgary, Alberta, Canada. He is mostly known as a guitarist, vocalist, record producer and former member of avant-garde/progressive metal band Kekal. Professionally, he has made a career as a graphic designer and has worked at various companies for more than a decade.