OWINGS MILLS, Md., June 19, 2013 /PRNewswire/ -- Medifast, Inc. (NYSE: MED), a leading United States manufacturer and provider of clinically proven, portion-controlled weight-loss products and programs, announced today the appointment of Medifast Chairman and Chief Executive Officer, Michael MacDonald, to the Direct Selling Association (DSA) Board of Directors. The DSA is a national trade association of leading companies that manufacture and distribute goods and services sold directly to consumers. (Logo: http://photos.prnewswire.com/prnh/20120613/NE24271LOGO-b) "For many years, Medifast, through its Take Shape For Life direct selling division, has worked closely with the organization to uphold the high ethical standards which are the tenets of the DSA. I am pleased to have the opportunity to now contribute to the growth and development of this esteemed association," said Michael MacDonald, Chairman and Chief Executive Officer, Medifast, Inc. MacDonald was elected to a three-year term at the DSA Annual Meeting in Phoenix, Arizona. He brings more than 30 years of leadership experience to the Board and joins an elite group of executives in the direct selling industry who oversee the DSA's efforts. " Mike MacDonald has a proven track record of leading successful businesses and we're excited to have him as part of our Board of Directors. We welcome his wealth of knowledge and deep business experience to help guide the efforts of the DSA," said Joseph Mariano, President, DSA. Take Shape For Life, a division of Medifast, offers clients the Medifast 5&1 meal replacement program with the one-on-one support and mentoring of a personal health coach. Since his appointment as Medifast's Chairman of the Board in 2011, MacDonald has overseen the consistent growth of the division. Today, Take Shape For Life is comprised of more than 11,000 health coaches, who support thousands of clients across the United States. MacDonald has served on Medifast's Board since 1998, and was appointed Chairman and Chief Executive Officer in February 2012. Prior to this role, MacDonald served as Executive Vice President at Office Max, Inc. where he led the Contract Division, a $3.6 billion business unit. MacDonald spent more than thirty years serving in a variety of senior corporate officer positions for Xerox Corporation, including Senior Vice President of Worldwide Operational Effectiveness, President of Marketing Operations and Global Accounts and President of Xerox North America. Among his most significant roles was leading the turnaround in North America from 2000 to 2004, as President of the North American Solutions Group, a $6.5 billion division of Xerox. MacDonald also has international experience in marketing, sales and operations with both Xerox and Office Max.