Ivan O'Sullivan provides leadership and strategic direction in the development of StreamBase customers and partnerships. He brings more than 20 years of experience in enterprise application and infrastructure sales, marketing, and business development to StreamBase, with expertise in growing technology company revenues and global expansion. O'Sullivan joins StreamBase from Signiant Inc, the Nortel spin-out company which is a leader in remote data management, where he was the senior vice president of sales and marketing. Prior to Signiant, O'Sullivan was the vice president of worldwide corporate development at Clearswift, where he developed its North American operations and led worldwide business development activities. While at Clearswift, he helped increase the revenue stream more than tenfold to over $50 million, making Clearswift the number one security provider in its market. O'Sullivan was also the founding president for Elron Software, the leader in Internet policy management software, and founding vice president for ON Technology from its inception until after its successful IPO on NASDAQ. He holds a BA degree, honors first class, from Thames Polytechnic (London).