Sigma Systems, the global leader in catalog-driven software, is pleased to announce the expansion of its sales team in Asia and North America with the addition of Ivan Evans and Berlin Bedesse. Ivan joins Sigma Systems as the Vice President of Sales for Asia-Pacific from Sandvine, the leading provider of network policy control solutions. At Sandvine, Ivan served as Senior Vice President of Sales for Asia-Pacific and helped lead the Asia-Pacific sales team to market leadership in the region. P...