06.20.11
Mannatech, Incorporated, Coppell, TX, has promoted Alfredo Bala to executive vice president of sales. He joined Mannatech in 2007, and previously held the post of senior vice president of global sales. In his new position, Mr. Bala will be responsible for Mannatech’s sales activity in North America, including Mexico, Canada, and the U.S. Ronald Norman was also promoted to senior vice president of international. He joined Mannatech in 1996 and has been instrumental in opening each of the 16 international markets in which Mannatech operates. Brett Duncan was promoted to vice president of marketing. He joined Mannatech in 2009 and has led all online marketing initiatives for the company since then. The company has also promoted Tait Switzer to vice president of research and development of technical services. Mr. Switzer most recently served as senior director of product development, serving with the company since 2002. Finally, Mannatech has named Mark Nicholls vice president of treasury and tax. Mr. Nicholls joined the company in 2007 as senior manager of tax.