Cisco Systems Inc. /zigman2/quotes/209509471/composite CSCO -4.96% announced Monday afternoon that Lisa Su, the chief executive of Advanced Micro Devices Inc. /zigman2/quotes/208144392/composite AMD -7.81% , will join the networking company's board of directors. It will be the first board seat outside of the semiconductor sector for Su, who also serves as a director for AMD, Analog Devices Inc. /zigman2/quotes/201631938/composite ADI -4.40% , the Semiconductor Industry Association and the Global Semiconductor Alliance, according to an AMD bio. The appointment will push the number of Cisco directors to 11, a spokesman confirmed. "Lisa is an accomplished business leader with deep expertise in the semiconductor industry," Cisco CEO Chuck Robbins said in Monday's announcement. "We look forward to her contributions to Cisco's board."