Nightingale Informatix Corporation announced the appointment of Mark Crerar as Executive Vice President of Sales, effective immediately. Over the span of his 25-year career, Mark has held leadership positions in technology sales and business development with IBM, Unisys, Hitachi Data Systems and Hewlett Packard, working with customers and partners in both Canada and the United States. Prior to joining Nightingale, he was responsible for Hewlett Packard's Enterprise Business in Central Canada, servicing corporate, enterprise and mid-market customers from multiple industries, including Life Sciences and Healthcare.