Rainmaker Systems Inc. announced the appointment of David Guercio as senior vice president of sales and marketing. Mr. Guercio brings to Rainmaker more than 20 years of experience in sales, business development, marketing and customer support for software companies spanning the Americas, Asia-Pacific and Europe. Prior to joining the company, Mr. Guercio was senior vice president of field operations, Americas and Asia Pacific, with KXEN Software.

He also served as executive vice president of worldwide sales and client services with Centric Software. Mr. Guerico also served in senior sales and marketing positions with Inxight Software (acquired by Business Objects and SAP), Resonate Inc., and Metaphor Computer Systems.