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April 25, 2017

Mark Guiltinan and Siela Maximova work together all over the world. As co-directors of Penn State’s endowed cocoa research program—and husband and wife—the two have chased the chocolate trail from Ghana and Peru to Trinidad and Indonesia. Still, the email last January from Colombia came as a surprise.

October 14, 2016

By Siddharth Mohan, September 9, 2016