Nobuo Kita is Chairman of the Board, President, and CEO of SIOS Technology and President and CEO of its parent company, SIOS Technology Group. Nobuo is also founder and member of the board of directors of Mozilla Japan, an affiliate of Mozilla Foundation/Mozilla Corp., the world’s most successful open source software development organization. Nobuo is also on the board of directors of Seasar Foundation, which is the largest open source software developers’ community in Japan. Prior to his current position with SIOS, Nobuo was the CEO of Northern Lights Computer, a pioneer in Linux and system integration services in Japan. Northern Lights merged with Ten Art-ni Corporation which became SIOS Technology. Nobuo holds a Bachelor of Science degree in engineering from Kyoto Institute of Technology.

As Chief Operating Officer for SIOS Technology, Inc., Masahiro Arai is responsible for running day-to-day business operations, shaping the company’s strategic plans, and aligning priorities across worldwide sales, marketing, product management and engineering teams. He is a veteran enterprise software executive with a two-decade track record of driving growth and innovation. Most recently, Masahiro served as Chief Executive Officer of BayPOS where he developed and executed software product and support strategies and led a distributed team responsible for product development, quality assurance, software deployment, and customer support. Masahiro currently works in the San Mateo, California office. He holds a Master’s Degree in Electronic Engineering, Robotics from Tokyo Denki University.

As Vice-President of Global Sales, Chris is responsible for planning strategy, leading sales teams, and maintaining positive relationships with partners and clients throughout the world. His unique perspective and rare insights are the culmination of a 25-year IT career that has spanned two continents and includes leadership experience in Sales, Marketing and Operations both in startups and global enterprise.
Chris has a keen sensitivity to the needs and interests of clients and partners. His experience is enabling the transformation of the SIOS business to meet the opportunity of the cloud era.
Chris graduated from Marquette University with a Marketing Administration degree and speaks fluent Japanese. He is based in SIOS’ San Mateo, California office.

Cassius Rhue leads the Customer Experience team responsible for customer success spanning pre-sales, post-sales and professional services engagements ensuring that the customer experience with SIOS, our products and delivery exceed expectations. With over 19 years of experience here at SIOS and a keen focus on the customer, Cassius’ significant skills, and deep knowledge in software engineering, development, design, and deployment specifically in the HA/DR space are instrumental in addressing customer issues and driving their success with us. He has a Bachelor of Science (BS) degree in Computer Engineering from the University of South Carolina – Columbia, SC.

Rika Marrazzo joined SIOS in 2006, and has been responsible for the company’s overall accounting operations, as well as for financial reporting, budgeting, forecasting, etc. and has contributed to the major upgrade of the company’s financial system to improve efficiency of accounting operations.

Prior to SIOS, she worked as a staff accountant and later became an accounting manager supporting the US subsidiaries of Fuji Xerox Co. Ltd, which included a US holding company and a supply chain management company.

She holds a master’s degree in international business management form the Thunderbird School of Global Management, and currently works in the San Mateo, California office.