Hiroyasu Aizawa is the president of HRCI, Hiro Research Consultancy Inc., Japan, and a professor at the Applied Science Research Center, Tamagawa University Research Institute, Japan. He has considerable experience in the field of pesticide chemistry, including chemical synthesis, residue analysis, metabolism, and regulatory issues, and in the field of biologically active natural products gained from working in academia, chemical industries, and toxicology institutes and collaborating with government institutes and universities.