Anthony J. Tether, PhD, has been appointed to the board of directors at Tessera Technologies Inc., effective immediately, the company announced. He is the former director of the Defense Advanced Research Projects Agency (DARPA). The addition increases the number of directors at Tessera from five to six. Tether is the current CEO of The Sequoia Group, a consulting firm that provides program management and strategy development services to government and industry. He also sits on the technical advisory boards of several private companies. Tessera develops, invests in, licenses and delivers miniaturization technologies and products for wireless and computing products. For more information, visit: www.tessera.com