Dr. Hayashi is a research scientist at Rice university. He received his Ph.D. degree from Waseda University in Japan in 2012. His research interests are focused on parallel computing, and include automatic parallelization, programming languages, compiler optimizations for parallel computer systems.
He is now working on 1) GPGPU code generation from high-level languages (e.g. Java) and 2) LLVM-based compiler optimizations for PGAS (Partitioned Global Address Space) programs.
A detailed information including publications can be found at http://ahayashi.blogs.rice.edu/