Shuhei Kawasaki is the former CTO and director of DeNA, who singlehandedly developed Mobage and Mobaoku in 3 months. He joined DeNA in 2002 as a part-time employee while studying for his doctorate at the University of Tokyo Graduate School and became a director in 2007. During this time he led the development of DeNA services, bringing his out-of-the-box creative thinking, development skills, and speed. After leaving DeNA in June 2018, he joined Delight Ventures in October 2019. He is currently working as an engineer at Venture Builder, focusing on service design and development.