Hirofumi Hayashi is a GIS developer with over 35 years of experience.
As a founding member and former Vice Chair of OSGeo Japan, he has been instrumental in promoting open-source GIS technologies both in Japan and internationally. He played a pivotal role in the localization of OSGeo4W and authored some of the earliest guides on WebGIS construction.
Currently, he focuses on developing geospatial information systems for the railway industry and educational applications for disaster information. He also serves as a member of the FOSS4G-ASIA Organizing Committee.
His influential contributions have been recognized with the Good Design Award (2024).