David Yen is Senior Vice President and General Manager of the Data Center Technology Group at Cisco which includes Data Center Switching, Servers, Storage and Load Balancing. He is responsible for continuing the success of the Cisco Unified Computing System and Cisco Nexus switching portfolios, and for taking Cisco's leadership in the data center to the next level.

Yen has nearly three decades of knowledge, expertise, and passion for engineering excellence. Before joining Cisco, he was the Executive Vice President and General Manager of the Fabric and Switching Business Group at Juniper Networks, where he led the QFabric multiyear initiative in data center network research and development. Previously he spent over 20 years at Sun Microsystems, Inc. In the 1990s, he led the development of Sun's first- and second-generation multi-CPU SMP servers, which transformed Sun from a workstation company to a leading enterprise server company. As head of Sun's Microelectronics group in 2001, he turned around Sun's declining SPARC business, introducing the industry's first 8-core, 32-thread general-purpose processor in 2005 and developing it into a multi-billion dollar business. He also managed Sun's storage business for one year. Prior to that, Yen was a cofounder of Cydrome, Inc., a mini-supercomputer start up. He also served in engineering roles at IBM Research for manufacturing automation and TRW, Inc. for advanced processor development.

Yen holds a bachelor's degree in electrical engineering from the National Taiwan University and a master's degree and doctorate in electrical and computer engineering from the University of Illinois at Urbana-Champaign. He holds three U.S. patents.