Dr. Kazuaki Ishizaki is a research staff member at IBM Research – Tokyo. He has over 20 years of experience conducting research and development of dynamic compilers for Java and other languages. He is an expert in compiler optimizations, runtime systems, and parallel processing. He has been working for IBM Java just-in-time compiler and virtual machine from JDK 1.0 to Java 8. His research has focused on how system software can enable programmers to transparently exploit SIMD/GPUs in high-level languages and frameworks. He makes many contributions to Spark, especially in Catalyst and Tungsten. He is an ACM senior member.