Management Team

Chris Diorio

Chief Executive Officer, Vice Chairman and Founder

Chris is CEO, Vice Chairman, and Founder at Impinj and an Affiliate Professor of Computer Science and Engineering at the University of Washington. Passionate about technology, Chris was instrumental in the development of the RAIN RFID Alliance, UHF RFID, and the UHF Gen2 protocol. He has 142 issued patents and 67 scholarly publications. Chris has received numerous industry awards including the 2015 ACE Awards Innovator of the Year, 2011 RFID Journal Special Achievement Award, and 2007 AIM Global Ted Williams Award. He earned his Ph.D. from Caltech in 1997 and has over 30 years’ experience in computer and radio engineering. A fan of all things fast, Chris has the biggest smile on his face when racing his car around a track.

Eric Brodersen

Chief Operating Officer and President

COO and President Eric joined Impinj in 2014 from Isilon Systems (now part of EMC), where he served as Senior Vice President of Marketing and Business Development, leading marketing, business development, M&A, alliances, global support, education services and divisional integration. Prior to Isilon, Eric served as Senior Vice President of Worldwide Sales for Quantum, where he managed global, partner-driven operations. He holds a B.A. in Government from Harvard University and an M.B.A. from the University of Michigan. In his free time, Eric enjoys staying active with his two sons, including skiing in the winter and standup paddleboarding in the summer. While he’s a Seattle native, some of Eric’s favorite places can be found in Europe, including his favorite city to live in, Paris, and place to ski, Zürs in Austria.

Evan Fein

Chief Financial Officer

Evan has been with Impinj since 2000, and currently serves as CFO. He brings over 20 years of financial management experience to his role at Impinj. He previously managed T-Mobile’s financial planning and corporate development activities. In 2014, he was named CFO of the Year in the small, private company category by the Puget Sound Business Journal (PSBJ), and in 2011, he was selected by the PSBJ for their 40 under 40 award, which identifies dynamic leaders under the age of 40. He holds a B.S. in Mathematics and an M.B.A. from the University of Washington's Executive MBA Program. When he’s not crunching numbers, Evan volunteers for several non-profits including KCSARC and the WTIA. He enjoys traveling, attending events (like Hamilton, UW football games and the Olympics), competing in triathlons, and spending time with his two kids.

Yukio Morikubo

General Counsel

Yukio is a General Counsel with over 25 years of experience helping technology companies overcome legal, regulatory and business challenges. Prior to joining Impinj, he was General Counsel to three publicly-traded technology companies in the Seattle area - Intermec Technologies, drugstore.com and Advanced Digital Information Corporation. Before these roles, Yukio served as Chief Counsel, International, for the international division of AT&T Wireless, and was a Business/Tax attorney at Perkins Coie. Yukio received his law degree from Georgetown University Law Center. Prior to law school, Yukio earned two degrees (BBA and MBA) from the University of Hawaii, Manoa, and audited and provided tax services as a Certified Public Accountant in the Honolulu office of KPMG. Having no talent for golf, Yukio enjoys other athletic and artistic pursuits, volunteering at local community and cultural organizations, and spending time with his wife and family.

Walter Palhetas

Senior Vice President Global Sales

Walter brings nearly 18 years of senior management experience in sales, marketing and business development. As the SVP of Global Sales at Impinj, Walter leads the sales team, spanning OEM and solutions-focused channels, to support and create new demand for the Impinj platform. As the previous EVP of Sales and Worldwide Marketing and Sales Operations at Nexsan Technologies, he led all revenue generation through the channel community, strategic accounts and OEM partnerships worldwide. He also held roles at a breadth of enterprise technology companies including StorageTek, Troika Networks, SUN Microsystems, Pillar Data Systems and Imation. Walter holds a Master’s in Business Administration from Pepperdine University. A native of Toronto, Canada, Palhetas now calls sunny Newport Beach, California home. In his free time, Walter is a golfer, workout rat, traveler and dad who enjoys participating in his kids’ sports activities.

John Quist

Senior Vice President Operations

John has 29 years of experience working in high-tech, and is the VP of Operations at Impinj. Prior to joining Impinj, he spent 18 years at Cypress Semiconductor where he held a variety of roles, including Director of Manufacturing. John earned his B.S. in Industrial Technology from San Jose State University and was identified as a "2005 Pro to Know" by Supply & Demand Chain magazine. John’s personal motto “work hard, play hard” inspires his activities away from Impinj. In his free time, John enjoys any sport with a ball, traveling the world (with a goal of joining the Century Club) and trying foodie hot spots around Seattle. He is also a certified rescue SCUBA diver.

Larry Arnstein

Vice President Business Development

Larry brings experience in all phases of the technology adoption lifecycle to his role as VP of Business Development. Since joining Impinj, Larry has collaborated with retail and brand leaders as they adopt and benefit from Item Intelligence, and has contributed to the RFID industry through public speaking, writing, and community leadership roles. Prior to joining Impinj, Larry was the founder and CTO of a software company and served on the faculty of the University of Washington’s Department of Computer Science & Engineering. Around Impinj, and perhaps making him ideal for working with retailers, Larry is considered quite fashionable (the bar is not set too high). Outside of work, Larry enjoys playing Ultimate Frisbee and spending time with his wife and kids.

Craig Cotton

Vice President of Marketing and Product Management

Craig, Vice President of Marketing and Product Management, is passionate about all things IT and has more than 20 years experience in high-tech product management, sales and marketing. Prior to Impinj, Craig served in a leadership role at EMC Isilon, as Senior Director of Solutions and Alliances. There, he built a highly successful Solutions Marketing team that drove significant growth in key vertical markets. Prior to EMC, Craig was Senior Director of Product Management for NetApp, and Senior Director of Product Management at Cisco. Craig holds a B.S. in Media Studies from the University of Illinois and a M.B.A. from Northwestern University. Craig recently relocated from the Bay Area to Seattle and enjoys hiking, photography, and reading mystery-suspense and historical fiction novels. As a lifelong Chicago Cubs fan, 2016 marks the first time Craig will no longer have to say “maybe next year.”

Todd Humes

Vice President of Engineering

Todd is VP of Engineering, bringing over 25 years of experience to Impinj. Todd joined Impinj at its inception, serving as CTO and later as Vice President of IP Products. Following Virage Logic’s acquisition of Impinj’s non-volatile memory IP business, Todd continued leading all of Virage’s NVM developments as Senior Director of Engineering. He then joined Sidense Corporation as VP of R&D, and in 2011, rejoined Impinj. Todd’s past experience also includes designing RF satellite systems at TRW. He received his BSEE from Cal Poly, San Luis Obispo and MSEE from Caltech. In his spare time, Todd enjoys walking his dogs and hiking to historic fire lookouts in the North Cascades. He also volunteers his time at a local Math Olympiad, enjoys traveling and experiencing new places, and is currently working on his fiftieth patent to coincide with his fiftieth birthday.


Impinj is the leading provider of RAIN RFID solutions that provide Item Intelligence in retail, pharmaceutical, healthcare, food and beverage, manufacturing and supply chain logistics, and many other industries.