He replaces Mike Fitzgerald, a veteran reseller who had held that since his company, The Fitzgerald Group, was acquired by Net@Work in April 2010. According to the announcement, Fitzgerald had planned on winding down his career by the end of this year. He will stay with the firm for six weeks to work with Ellertson during the transition. It's not just a matter of another person leaving Sage, but Sage is losing those executives who should be moving up in the company as their careers advance instead of moving out.