CTO at DeNA Global, Inc
San Francisco Bay Area
CTO at DeNA Global, Inc
San Francisco Bay Area
My goal is to enrich the world by developing innovative services. Having worked on packaged application softwares and UI platform technology development in both U.S. and Japan, I am motivated to grow to be a business leader with technical expertise.
Mobile Web, Design Patterns, C, C++, C#, XML, Linux, Windows, MySQL
(Privately Held; 1-10 employees; Information Technology and Services industry)
February 2008 — Present (1 year 6 months)
Directing and executing design and development of the software for mobile consumer services in the U.S. and other country's market. Looking at technical and business opportunities in games, SNS, advertisements in mobile platforms around the world.
(Public Company; 201-500 employees; Information Technology and Services industry)
November 2006 — January 2008 (1 year 3 months)
Designing and implementing software systems for a large-scale mobile service (called "Moba-ge Town"), specifically on portal content services (news, weather forecast), money payment services (for "avatar" content payments). This portal content generated over 1 million page-views per day from 500,000+ unique customers. The payment system now processes more than 5000 transactions (30 million yen) per day. Also designed and implemented automatic patrolling tools so that we can quickly detect "bad" behaviors of customers using our SNS (social networking) services. "Bad" behaviors we targeted include spamming to young girls, bullying, illegal drug trading and so on. This helped to maintain the quality and safety of our SNS services for many young customers.
(Public Company; 10,001 or more employees; MSFT; Computer Software industry)
April 2001 — September 2006 (5 years 6 months)
Leading on designing and developing automated software test tools for UI platform APIs (Windows Vista / Windows Presentation Foundation) and text input services API, with C, C++, C#, Perl, XML, XAML. Educating other employees on software product globalization and internationalization for Windows Presentation Foundation (Avalon). Project managing maintainance releases of legacy components. Managing and coaching 6 employees (3 Americans, 1 Korean + 2 Japaneses) on goal settings and performance reviews.
(Public Company; 1001-5000 employees; Information Technology and Services industry)
May 1997 — March 2001 (3 years 11 months)
Designed and implemented text editing features of Microsoft Excel XP, including Vertical Text Editing and Phonetic Reading Text Editing. Designed and implemented address book database and user interface of a Japanese regional product "Microsoft Hagaki Studio 2.0".
Bachelor , Information Physics and Mathematical Engineering , 1992 — 1997
extreme programming, gift economy, professional networking, contemporary history of Japan, Peter F. Drucker, Shumei Okawa, Shinji Miyadai