Hironobu is a software business veteran. He began his career at Red Hat as an engineer and later transitioned to business development and product marketing, successfully introducing RedHat Linux into several transnational companies. Prior to starting Treasure Data, Hironobu worked at Mitsui Ventures where his deep expertise in software business led to several key investments by the firm.
Kazuki is no stranger to big data. In addition to authoring two books and numerous articles on Hadoop, he co-founded a Hadoop user group in 2009 that went on to become the world's largest with more than 1,700 members. Prior to starting Treasure Data, he co-founded an enterprise search engine company at age 21 and served as CTO for 6 years. A long time open source advocate, Kazuki was a committer of KDE at age 18 and has made numerous contributions to a wide range of fundamental open-source software.
Sadayuki is a technologists' technologist. Ever since his high school purchased a dozen Linux servers, he began tinkering with computers and never looked back. While studying computer science in college, he invented and open-sourced MessagePack, an efficient binary protocol that is used at many high-traffic websites like Pinterest. At Treasure Data, Sadayuki oversees the design and implementation of our Hadoop-based cloud data analytic platform.