John joined Sigma in 1996. With more than 20 years of experience as an entrepreneur, a business unit manager and investor, John uses motivation, enthusiasm, and his own technology and operational expertise to support Sigma’s portfolio companies. Throughout his career, he has held executive management positions, created new business units and departments, and sponsored new projects at some of the industry’s most successful technology companies.
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VoltDB
VoltDB is an in-memory transactional database for modern applications that require the ability to manage data at unprecedented scale and volume, with 100% accuracy. Unlike OLTP, Big Data, and NoSQL offerings that force users to compromise, only VoltDB ...