, a leading provider of weight management products and services, today announced that Dawn M. Zier will join the company as president and chief executive officer. She will also serve on the Nutrisystem board of directors. She replaces Joe Redling, who is stepping down as president and chief executive officer and resigning from the company's board of directors. Ms. Zier is a 20-year veteran of Reader's Digest Association, Inc., a leading global, multi-brand and multi-platform media and direct marketing company. At Reader's Digest, she served in a range of leadership positions across the United States and internationally, most recently as president of the company's international business, with responsibility for $750 million of revenue and a team of 1,000 employees across Europe, Asia Pacific, and Latin America.