A package maintainer of the openSUSE M17N project since 2011. Developing packages related to input methods (e.g., IBus and Mozc) and Japanese fonts. As a member of Japan openSUSE User Group, organizing meetups, having seminars at OSS events, and publishing Geeko Magazine. openSUSE.Asia Organization Committee (2014-). openSUSE.Asia Summit 2017, 2024 Committee Chair.