MAC CRAWFORD Caremark Rx Mac Crawford is chairman and chief executive officer of Birmingham, Alabama-based Caremark Rx (NYSE: CMX), one of the largest pharmaceutical services companies in the United States. Prior to Caremark Rx (formerly MedPartners), Crawford was chairman, president, and chief executive officer of Magellan Health Services. He had earlier served as chief operating officer of Charter Medical, having joined the company in November 1990 as executive vice president of hospital operations. Previously, Crawford was president of Mulberry Street Investment Company where he managed real estate, venture capital, oil and gas tax, and shelter investments. He held several positions as chief financial officer during the 1980s. During most of the 1970s he worked for Arthur Young & Company. A Certified Public Accountant, Crawford received his BS degree from Auburn University.