At the Microsoft Convergence show, representatives from Cold Stone Creamery, Roland DGA and WellMark Blue Cross Blue Shield shared their advice and best practices in implementing CRM. The three practitioners represent different sides of CRM. Cold Stone Creamery's Heather Dorr is a senior manager for marketing. Bob McMahon is a senior business systems manager for Roland DGA and Jeff Beelman is a group leader for customer service at WellMark BlueCross BlueShield.