JCK would be nowhere without the industry insiders who have helped the magazine along the way—by making the news, reading it in our pages, or both. So we asked 150 of them to join the dialogue about how the jewelry business has changed over the decades and the role we have played in that evolution. Here are the fourth 25. ••• “I joined N.W. Ayer on the De Beers account in New York in 1981, De Beers itself in 1985, and in founding the Forevermark brand in 2008. In the diamond business, we have seen the emergence of China and India as global demand centers, the entire world of e-commerce and digital marketing, greater transparency, widespread use of certificates, a changing retail scene, and the emergence of brands. At the same time, the billion-year-old diamond, a true miracle of nature, continues to represent the deep emotions of love, commitment, eternal elegance, and a stor