An 8 y.o. Rubyist, Hashicorp freak, DevOps enthusiast, system programming novice. One of the writers of books "Perfect Ruby" / "Perfect Ruby on Rails" (both in Japanese). He lives in Fukuoka - the "coast" city of "west" Japan, works at GMO Pepabo, Inc. as SRE/R&D/Dev Productivity Engineer, and holds Fukuoka.rb local meetup. He also is a organizer of RailsGirls Fukuoka #1. In the current tech scene