Dr. Nakayama is currently Technical Staff of the National Institute of Advanced Science and Technology (AIST) in Tsukuba, Japan. He started his research career as a Research Officer on explosives at the National Institute of Chemical Laboratory (NCLI), an Agency of Industrial Science and Technology (currently AIST), Tsukuba, Japan in 1985. He was promoted to Chief Research Officer of NCLI in 1995 and became the team leader of the explosion and shock waves research team of AIST in 2003. His group performed research on the evaluation of performance of explosive materials and safety engineering against explosive materials and shock waves. He became Research Manager in 2015, transferred to Associate Manager in 2016, and retired AIST in 2017.