Joseph Y. Chang, Ph.D., was appointed Chief Scientific Officer and Executive Vice President of Product Development in February 2006. Dr. Chang enjoys a comprehensive knowledge of both the pharmaceutical and dietary supplement industries and serves as a member of the Executive Committee for Nu Skin Enterprises. He formerly served as president and chief scientific officer of Pharmanex, which was acquired by Nu Skin in 1998. Prior to Pharmanex, Dr. Chang served as both president and chief scientific officer at Binary Therapeutics, Inc. from 1994 to 1997 and at OsteoArthritis Sciences, Inc. from 1991 to 1994. He has also held various executive research management positions at Wyeth-Ayerst, Rhone Poulenc Rorer and other biotechnology companies, where he was involved in researching natural products for arthritis and cancer treatment. A prolific author, Dr. Chang has published numerous articles, reviews and books on pharmacological research during his nearly 20 years in the health care industry and is a member of the board of a publicly traded biotechnology company, Optimer Pharmaceuticals, Inc. He received a B.S. degree from Portsmouth University and a Ph.D. from the University of London

Mike Colvin is vice president of sales for North America. Before Nu Skin, Mike participated in an internship program with a Fortune 500 insurance company. His sales team was ranked the top in the nation for total sales among all other internship teams. Following his graduation from Utah State University, Mike spent nine years with another direct sales company. There, his sales region experienced significant growth under his leadership. In 2005, Mike joined the Nu Skin team as director of sales for Northeast United States. Mike believes the road to success is through passion for people, strong relationships, and obtaining one’s goals. Mike received a bachelor's degree in business management.

Greg has been the vice president of marketing and operations for the Americas, Europe, and South Pacific Region since 2007. Greg has a long history at Nu Skin; starting with the company in 1989, taking phone orders. He later became an account manager, and has served in many additional roles during his 22 years with the company including: Director of Web Services, Director of US Marketing, Vice President of Sales for Nu Skin Taiwan, and Vice President of Sales and Marketing for Nu Skin China. He earned a bachelor's degree in international relations from Brigham Young University, and an MBA from Rutgers University. Greg has also served on the Business Advisory Council of the Miami University of Ohio Farmer School of Business.