- has been leading a team consisted of translators and writers.
- has been in charge of recruiting good writers and reporters.
- has been covering startup companies and people in Japan as a tech journalist.
- has been organizing events with about 60-80 attendees, which not only inspire young would-be entrepreneurs and startup people but also turn a profit.
- led an annual event TechCrunch Tokyo 2013 to a huge success with about 1,500 attendees, doubling the number of participants at the previous one. Ken was responsible for both session arrangement and obtaining sponsorship.