Diedrich Coffee Inc. (Nasdaq:DDRX), a leading coffeehouse operator, franchiser, wholesaler and custom roaster of specialty coffees, Thursday announced that Robert Rodriguez, president of its Gloria Jean's Gourmet Coffees subsidiary resigned today to pursue personal interests. Rodriguez served as president of Gloria Jean's since September of 1998. "We wish Robert well in his new endeavors and thank him for his hard work and leadership at Gloria Jean's during his tenure," said Tim Ryan, CEO and president of Diedrich Coffee. A replacement has not yet been identified.