Board Members


Antonio J Espinosa,
Chief Executive Officer & President

Antonio J Espinosa is a senior operating executive with expertise in global field operations. His interests include efforts in IoT, B2B SaaS Enterprise, mobile applications, and security software systems. He has served as Chairman of the Board, Chief Executive Officer & President, Vice President and Managing Director of divisions for both public and private firms.

Antonio has a Bachelor of Science and Master of Science Electrical Engineering degrees from the University of California at Davis. He also has Master of Business from the UC Davis Graduate School of Management. Antonio completed his academics with an Executive Management degree from Stanford University Graduate School of Business.


He was born of Spanish heritage in California and is fluent in English and Spanish. He has traveled and led business operations in Europe, Asia, and Latin America. Antonio loves anything to do with sports, photography, and the the outdoors – especially camping, backpacking, and fishing.

Tatsuya Kato, Midokura Chairman of the Board & co-founder

Tatsuya leads business development at Midokura, where he leverages his decades of experience with startups and technology, including extensive (human) networks in the Japanese IT industry.

Tatsuya has a proven track record in top management positions at Japanese public IT service and mobile internet companies, as well as VC fund management with investments in internet and software sectors.

He served as committee member of multiple Japanese government organizations and several startups. Tatsuya is  director of Royal Gate, Shift, Millmo, Movad Japan, and boox.

Tatsuya graduated from Kyoto University with a major in Engineering. He played on the university’s football team as a part of two national championship teams.

Dan Mihai Dumitriu, Chief of Product Strategy & Co-founder

Dan is responsible for the technical innovation and development of designing, building and operating Midokura technology.

Prior to founding Midokura, Dan served as Chief Architect at Ballista Securities, a New York City ATS offering an electronic block trading system for options. Dan has also served as Senior Researcher at NGI Group, Technical Lead at, Researcher at Ecole Polytechnique Federale de Lausanne, Senior Researcher at Sony Electronics, and Technical Lead at Reliable Network Solutions.

Dan holds a Master of Engineering and a Bachelor of Arts, both in Computer Science, from Cornell University. He is a co-author of numerous research papers, holds several patents in the field of distributed computing, and is an expert in cloud computing technology.

Allen Miner, founder/General Partner of SunBridge Partners, founder/CEO of SunBridge Corporation

Allen has significant experience in Internet, enterprise and open-source software, entrepreneurship, and international technology transfer. Allen has been actively involved in each of the firm’s investments resulting in numerous successful IPOs, including, MacroMill, ITMedia and G-Mode, among others. Allen is currently a member of the Board of Directors of Salesforce Japan.

Allen created SunBridge Corporation in 1999. As SunBridge CEO, he aims to create a dynamic, collaborative environment in which Japanese information technology startups develop at a globally competitive pace. SunBridge provides a variety of growth-enabling services to both startups and global enterprises. SunBridge services include early stage venture capital investment (with a portfolio of over 35 investments), software product and internet system co-development, sales and marketing strategy and execution, organizational strategy and recruiting.

Allen currently serves on the Boards of several SunBridge portfolio companies, as an advisor to government-affiliated organizations focused on innovation and entrepreneurship, and on the boards of NPO ETIC, a Tokyo organization promoting social entrepreneurship and providing entrepreneurial training for university students. He was appointed to the Board of Directors of the Japan Venture Capital Association upon its founding in 2002.


Innovation Network Corporation of Japan (INCJ)

INCJ was established in July 2009 as a public-private partnership that provides financial, technological and management support for next-generation businesses.

INCJ specifically supports those projects that combine technologies and varied expertise across industries and materialize open innovation. INCJ has the capacity to invest up to 2 Trillion Yen (approx. $20 Billion USD).