Board of Directors

In addition to board chairman, Chris Diorio, and member William Colleran, the following individuals serve on the Impinj board of directors:

Tom A. Alberg—Managing Director, Madrona Venture Group

Tom A. Alberg is a founder and managing director of Madrona Venture Group, a venture capital firm that invests in early-stage technology companies in the Pacific Northwest. He previously served as President of LIN Broadcasting Corporation and Executive Vice President of McCaw Cellular Communications, Inc. Earlier, he was previously Chairman of the Executive Committee and Partner at Perkins Coie, a Seattle law firm, and a lawyer with Cravath, Swaine & Moore in New York. He is a director of Advanced Digital Information Corporation, Amazon.com, and several non-public technology companies. He is Chair of the Washington Technology Alliance and a member of the national executive committee of TechNet. He is a graduate of Harvard College and Columbia Law School.

Steve Arnold—Managing Partner, Polaris Venture Partners

Steve Arnold is a co-founder and managing general partner of Polaris' Seattle office. Along with Jon Flint and Terry McGuire, he founded Polaris in 1996. Prior to starting Polaris, Mr. Arnold served as a special advisor to Burr, Egan, Deleage & Co. following more than 10 years in executive positions in the software industry. He served as vice president of Broadband Media Applications at Microsoft Corporation and as president and CEO of Continuum Productions (now Corbis), a private company founded by Bill Gates to pioneer the creation of large digital libraries for online distribution. Before coming to Continuum, Steve served as vice president and general manager of LucasArts Games and Learning divisions, and vice president of the New Media Group at Lucasfilm Ltd. He continues to serve as vice chairman of the board of directors of the George Lucas Educational Foundation.

Besides Impinj, Mr. Arnold represents Polaris on the boards of directors of, or helps manage the Polaris investments in, MessageGate, Noetix Corporation, Turbine Entertainment, E-Surg, and Syncronex.

He holds a BS with honors from Macalester College and an MA and PhD from the California Institute of Integral Studies(CIIS) in San Francisco.

Clinton W. Bybee—Co-founder and Managing Director, ARCH Venture Partners

Clinton Bybee is a co-founder and Managing Director of ARCH Venture Partners. Mr. Bybee concentrates primarily on advanced materials, electronics, semiconductors, photonics, and infrastructure businesses.

Mr. Bybee has helped organize and finance numerous companies including MicroOptical Devices (acquired by EMCORE), Cambrios Technologies, Aveso, Innovalight, Intelligent Reasoning Systems (acquired by Photon Dynamics), Semprius, Nanosys, and Xtera Communications.

He is a board member of Impinj, Innovalight, Cambrios Technologies, Xtera Communications, Nitronex and Aveso. Mr. Bybee is an organizing member of the Texas Venture Capital Association and currently serves as its first President.

Previously, Mr. Bybee worked with ARCH Development Corporation. He also managed a venture investment fund for the State of Illinois and was a production engineer with Amoco Corporation. Mr. Bybee holds an M.B.A. from the University of Chicago and a B.S. in Engineering from Texas A&M University.

Gregory Sessler—Chief Operating Officer, Spiration, Inc.

Gregory Sessler has served as member of the Impinj board of directors since April 2011 and currently serves as chairman of the audit committee. Since December 2008, Mr. Sessler has served as the chief operating officer of Spiration, Inc., which became a wholly-owned subsidiary of Olympus Corporation of the Americas in July 2010, and has served as the executive vice president and chief financial officer since 2002. Prior to joining Spiration, Mr. Sessler served as senior vice president and chief financial officer of Rosetta Inpharmatics from March 2000 until its acquisition by Merck & Co., Inc. in July 2001.

From June 2008 to the present, Mr. Sessler has been a director and chairman of the audit committee of Marina Biotech, Inc. He also serves on the executive committee and is a past chairman of the board of directors of the Washington Biotechnology and Biomedical Association.

Mr. Sessler received a Bachelor of Science degree in accounting from Syracuse University and a Master of Business Administration degree from the Stanford Graduate School of Business.

Albert Yu—Chairman, OneAngstrom LLC

Dr. Albert Yu is Chairman of OneAngstrom LLC, and has been active in investing and mentoring high technology companies. Dr. Yu retired from Intel Corporation in late 2002, after almost thirty years with the company. He had been Senior Vice President, member of the Corporate Management Committee and General Manager of the heart of Intel's business: microprocessors, chipsets and software (~$25B) for over sixteen years. Under his leadership, Intel's microprocessors from 386™ to the Pentium® 4 and Pentium M Processors have become the highest volume microchips that power computers and the internet and propelled Intel to be the largest semiconductor company in the world. Prior to Intel, he was with Fairchild R&D Lab, where he conducted research and development of solid-state devices and circuits. Albert received his bachelor's degree from California Institute of Technology and his master's and doctorate degrees from Stanford University, all in electrical engineering.