Kazuaki Ishizaki is a research staff member at IBM Research - Tokyo. Kazuaki has over 20 years of experience conducting research and development of dynamic compilers for Java and other languages. He has been working for IBM SDK, Java Technology Edition. His latest work is to enable GPU programming in Java language on IBM SDK, Java Version 8. He is an expert in compiler optimizations, runtime systems, and parallel processing. Recently, his research has focused on how system software can enable programmers to easily exploit GPUs to accelerate their workloads without increasing their burden in high-level languages such as Java and frameworks such as Apache Spark. He is a contributor to Apache Spark and is an ACM senior member.