initial public offering and subsequent sale to HP in 2010.

He previously served as vice president of business information services for IBM, following the acquisition of master data management company Trigo Technologies, where he had served as CEO.

Reilly currently serves as a board member for Jive Software, Ombud and ThreatStream and will also join the Cloudera board of directors. He received his Bachelor of Science degree in mechanical engineering from the University of California, Berkeley.

"With over 30 years of enterprise software experience, I am pleased to welcome Tom to the Cloudera family," Olson said in a statement. "We have long set the pace for the commercial adoption of Hadoop, and with Tom's leadership and focus, Cloudera will accelerate the pace of innovation, continue to deliver growth and extend ourmarket leadership." He added that the announcement "reinforces Cloudera's commitment and investment in the Hadoop open-source community and the continued success of open-source initiatives."

In a June 18 blog post, Olson wrote, "When we started the company five years ago, almost no one had heard of Apache Hadoop. Big data, to the extent the term was used at all, was strictly a consumer Internet phenomenon. No other enterprise vendor believed the platform mattered. We did, of course, and we set out to make that true.

"We've engaged closely with the open-source community, worked hard to advance the state of the art in the platform and crafted a business strategy that allows us to grow quickly and to build a great company for the long term," he continued.

In Olson's new role,