CAMPBELL, CA -- (Marketwire) -- 12/13/12 -- Rainmaker Systems, Inc. (NASDAQ: RMKR), a leading global cloud e-Commerce company, today announced the appointment of Donald J. Massaro as President and Chief Executive Officer, and member of the company's Board of Directors effective December 11, 2012.

Mr. Massaro is a renowned Silicon Valley entrepreneur and leader, with a long track record of successfully leading cutting-edge technology-based companies and bringing innovative products to market. Mr. Massaro has been a founder and CEO of six Silicon Valley technology companies including Reconnex, Yotta Navigation, Silicon Gaming, Inversion Development Corp, Metaphor Computer Systems and Shugart. For the last six years, Massaro held the position of CEO of Sendmail, a leader in messaging infrastructure serving the world's largest corporations. In the early 80s Massaro was a Xerox Corporate Vice President and President of the Office Products Division where he led the commercialization of technologies developed at Xerox's famed Palo Alto Research Center (PARC).

"Don brings a proven track record of leadership and innovation," said Rainmaker Chairman Mitchell Levy. "The Board is excited by Don's strong leadership, team building, and operational capabilities. We are confident that he will enable Rainmaker to realize the full potential of our innovative technologies and maximize return to our shareholders."

"Rainmaker has developed the next generation e-Commerce platform and has successfully secured relationships with some of the top Fortune 500 Enterprise Companies. I was attracted to Rainmaker by the growth potential and the opportunity to establish Rainmaker as the leader in global cloud e-Commerce. My immediate focus will be to get to know the products and the markets that we serve, and to develop the strategy and tactics needed to achieve rapid growth and market leadership," said Donald Massaro.

Mr. Massaro holds a Bachelor of Science degree in aeronautical engineering from the University of Notre Dame and received a Master of Science degree in mechanical engineering from Northwestern University. In addition, Massaro was a PhD engineering candidate at the University of California at Berkeley. Massaro currently is on the Board of Trustees of the Computer History Museum, on the Engineering Council for the University of Notre Dame, and remains in his role as Chairman of the Board of Directors of Yotta Navigation, which develops personal navigation device technologies for the U.S. Government, using the latest advances in sensors, signal processing, and machine learning.

About Rainmaker

Rainmaker is an e-Commerce software company that helps multi-national companies address the B2B market by maximizing sales revenue for their products and services. The Rainmaker e-Commerce platform can be enhanced with Rainmaker customer assist agents to maximize revenue and customer satisfaction through the entire customer life cycle.

For more information, visit www.rainmakersystems.com or call 800-631-1545.

NOTE: Rainmaker Systems and the Rainmaker logo are registered with the U.S. Patent and Trademark Office. All other service marks or trademarks are the property of their respective owners.