Board of Directors

Timothy S. Jenks President, Chief Executive Officer, Director and Chairman of the Board

Timothy S. Jenks has served as our President and Chief Executive Officer and as a member of our board of directors since April 1998. From November 2002 until August 2005, Mr. Jenks also served as Chief Executive Officer of NanoGram Corporation, a nanomaterials applications company that we spun out, and that was acquired by Teijin Corporation. From November 2002 until March 2003, Mr. Jenks served as Chief Executive Officer and director of NanoGram Devices Corporation, a medical device battery company that we spun out, and that was acquired by Greatbatch, Inc. Mr. Jenks served in positions of increasing responsibility at Raychem Corporation, a California-based materials engineering company that was acquired by Tyco International Ltd. (now TE Connectivity Ltd.) in 1998, including Vice President and General Manager of its electrical products division. Mr. Jenks is a former naval officer, and holds a Master of Business Administration degree from the Stanford Graduate School of Business, a Master of Science degree in nuclear engineering from the Massachusetts Institute of Technology and a Bachelor of Science degree in mechanical engineering and marine engineering from the U.S. Naval Academy.
Charles J. Abbe Lead Director

Charles J. Abbe has served as a member of our board of directors since October 2012 and has been our lead independent director since June 2013. Mr. Abbe served as president and chief operating officer and as director of JDS Uniphase Corporation from February 2000 until his retirement in June 2001. He was employed previously as president, chief executive officer and director at Optical Coating Laboratory, Inc. from 1998 until the company merged with JDS Uniphase in February 2000, and as vice president and general manager of its principal operating division from 1996 to 1998. From 1990 to 1996, he served in several positions of increasing responsibility, including senior vice president, electronics sector, at Raychem Corporation. Mr. Abbe practiced business consulting with McKinsey & Company from 1971 to 1989. Mr. Abbe holds both a Master of Science degree and a Bachelor of Science degree in chemical engineering from Cornell University and a Master of Business Administration degree from Stanford University.
Bandel L. Carano Director

Bandel L. Carano, Managing Partner, joined Oak Investment Partners in 1985 and became a General Partner in 1987. His investment focus is on Information Technology and Clean Energy. He has served as a member of our board of directors since March 2004. Mr. Carano is currently on the Boards of Airspan Networks, Centric Software, Kratos Defense & Security Solutions, MobiTV, Mojix, NeoPhotonics, NextNav, nLight, SmartDrive, and Solarflare Communications. He has also led investments in and/or served on the Boards of 2Wire, Avici, CoreTek, Endwave, Fiber Tower, Good Technology, Netopia, Phononic Devices, Picture Tel, Polycom, Presidio, Protean Electric, Qtera, Sentient Networks, Tegic, Trapeze Networks, Wellfleet, Entropic, Illustra/Informix, Sybase, Tele Atlas, Actel, Airgo Networks, CommQuest, Kenet, Level 5, NanoH2O, NemeriX, Newport Media, Resonext, SMIC, Synaptics, Virata, Interconnectix, Parametric, Synopsys, Tensilica, Wavestream, and Zayo. Prior to Oak, Mr. Carano joined Morgan Stanley's Venture Capital Group in 1983. He was responsible for advising Morgan Stanley on high-tech new business development, as well as sponsoring venture investments. Mr. Carano holds a Bachelor of Science degree and a Master of Science degree in Electrical Engineering from Stanford University. He currently serves on the Investment Advisory Board of the Stanford Engineering Venture Fund.
Yanbing Li Director

Yanbing Li is a global high technology executive with extensive leadership experience in general management and engineering in the United States and China. She has served as a member of our board of directors since July 2019. Dr. Li is currently Vice President of Engineering at Google Cloud. Prior to this role, she was Senior Vice President and General Manager for the Storage and Availability Business Unit at VMware where she was responsible for a portfolio of products in software-defined storage, hyper-converged infrastructure, vSphere storage, data protection, and storage and availability services for the cloud. At VMware, Dr. Li held multiple executive leadership roles including Managing Director of China R&D. Prior to VMware, she worked at Synopsys in various research, development, and engineering leadership roles. Dr. Li holds a Ph.D. degree from Princeton University, a Master of Science degree from Cornell University, and a Bachelor of Science degree from Tsinghua University (Beijing, China), all in electrical engineering and computer engineering. She is also a graduate of the Stanford Executive Program at the Stanford University Graduate School of Business.
Rajiv Ramaswami Director

Rajiv Ramaswami has served as a member of our board of directors since March 2014. Dr. Ramaswami serves as COO of VMWare with joint responsibility for all VMware's product and service offerings and centralized services, support and operational functions. Prior to this role, Dr. Ramaswami led VMware's Networking and Security business as executive vice president and general manager. Previously Dr. Ramaswami was executive vice president and general manager for the Infrastructure and Networking group at Broadcom Corporation. Earlier, Dr. Ramaswami was at Cisco as Vice President and General Manager for a variety of business units in Optical, Switching, Data Center and Storage Networking. Prior to joining Cisco, he served in various technical and leadership positions at Xros, Tellabs and IBM’s Thomas J. Watson Research Center. Dr. Ramaswami holds both a Master of Science degree and a Ph.D. degree in Electrical Engineering from the University of California, Berkeley and a B. Tech. degree from the Indian Institute of Technology in Madras.
Michael J. Sophie Director

Michael J. Sophie has been a member of our board of directors since November 2006. Mr. Sophie has served as a director of Pericom Semiconductor Corporation from August 2008 to November 2015. Mr. Sophie served as interim President and Chief Executive Officer of Proxim Wireless Corporation, a provider of wireless broadband technologies, from October 2010 to January 2011. From March 2003 to January 2007, Mr. Sophie served on the board of directors of McDATA Corporation Ltd., a provider of storage networking solutions. He was employed at UTStarcom Inc., a global seller of telecommunications hardware and software products, serving as its Chief Financial Officer, from August 1999 through May 2005, and as Chief Operating Officer from May 2005 through May 2006. Mr. Sophie previously held executive positions at P-Com, Inc. and Loral Fairchild Corp., a defense electronics and communications company. He holds a Bachelor of Science degree from California State University, Chico and a Master of Business Administration degree from the University of Santa Clara.
Ihab Tarazi Director

Ihab Tarazi has served as a member of our board of directors since October 2015. He is currently the Chief Technical Officer and Senior Vice President at Dell Technologies Networking Solutions where he is responsible for technology strategy and roadmap, and next generation products and platforms. Prior to that role, Mr. Tarazi served as Chief Technology Officer at Packet Host, Inc., a bare metal cloud company built for developers, where he was responsible for technical and product strategy, engineering, and platform operations. Prior to joining Packet, Mr. Tarazi held a number of positions in the telecom and infrastructure space, including Chief Technology Officer at data center and colocation provider Equinix, where he was accountable for technology innovation and strategic engagements with leading platforms in the Cloud, Security, Storage, Edge and IoT sectors, and at Verizon where he served as VP Engineering and Technology. There he led a global team providing strategic and tactical oversight for the Engineering and Product Development of Global Enterprise Services including MPLS VPN, IP, Ethernet, Security and Managed Services. Mr. Tarazi holds a Bachelor of Science degree in Electrical Engineering and Telecommunications from the University of Maryland and a Master of Science degree in Telecommunications Management from Southern Methodist University.

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