Masayuki Ida has been a professor emeritus at Aoyama Gakuin University since April 2020, working for three fields as an independent consultant: digitalization of organizations, school management, and contract-based intensive class lecturer. His works are for worldwide universities/high schools and companies reflecting his 50-year career from programming in Python to corporate e-commerce systems design. He received Ph.D. in March 1981 after he started in software science field in the late 1960s in his high school days; then in parallel, he started his career in the fields for information systems and the AI and Lisp as a student. His principle is on the diffusion and penetration of smart IT into everyday life through applied AI and cross-cultural communication.