Nu Skin chief scientific officer Dr Joseph Chang speaking to reporters at the company's global convention in Salt Lake City, Utah in the United States.
PETALING JAYA: Passionate about science as a boy, Ipoh-born Dr Joseph Chang (pic) never dreamt that he would one day become the top scientist at an international direct-selling company.
Leaving home at 17 to study overseas, Dr Chang, now 61, is the chief scientific officer at Nu Skin Enterprises Inc, a leading distributor of anti-aging products and supplements.
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