Kasiyanto Bin Iskandar is a Freelance English Instructor at Private. Colleagues describe them as "Kak Kas is an extraordinary teacher who teaches casually but is easy to understand. He also inserts humor into learning so that the class becomes more relaxed." and "He is amazing teacher who taught us English in such a fun way but also practical. The way he approaches his students makes us feel triggered to learn and excited to see what's next. He is keen to learn his students opinions which is also a really nice way to make us feel comfortable learning."