On December 11, 2012, Donald J. Massaro joined Rainmaker Systems Inc. as President and Chief Executive Officer and as a member of the company's Board of Directors. Mr. Massaro brings more than 30 years of experience, leading technology-based companies and bringing products to market. Most recently, he served as Chief Executive Officer of Sendmail Inc. from September 2006 to December 2012.

Mr. Massaro was appointed to the Board as a Class I director, with an initial term ending upon the 2013 annual meeting of stockholders. He also has recently served as a member of the Board for Sendmail Inc. and Yotta Navigation.