Hal Seki has been working as a geolocation service developer since 2002. He is a founder of Code for Japan, which is one of the biggest civic tech community in Japan. Also, Hal is the CEO of Georepublic Japan, providing location-based system consulting/developing services using open source GIS as well as the CEO of HackCamp. This company helps organizations' open innovation strategies. He is well known as a community manager for solving social issues through technology tools in Japan. He has been actively promoting civic tech movement since he started his social entrepreneur's career when he was managing Sinsai.info, a cloud sourcing platform for collecting crisis information after the Great East Japan Earthquake occurred.

「テクノロジーで、地域をより住みやすく」をテーマに、会社の枠を超えて様々なコミュニティで積極的に活動する。東日本震災時に情報ボランティア活動を行なったことをきっかけに、住民コミュニティとテクノロジーの力で地域課題を解決することの可能性を感じ、2013年に一般社団法人コード・フォー・ジャパン社を設立。