Tyson Tuttle serves as the Chief Executive Officer of Silicon Labs, a leading provider of silicon, software and solutions for a smarter, more connected world. Since joining Silicon Labs in 1997, Tyson has significantly shaped the company’s strategic and technological directions. He helped design Silicon Labs’ first breakthrough IC product, which achieved market share leadership in PC modems and enabled the company to go public in 2000. Tyson led the marketing effort behind Silicon Labs’ first RF transceiver products for mobile handsets and spearheaded the development and market success of the company’s radio and TV tuner ICs. Tyson led Silicon Labs’ broadcast product lines until 2010 when the R&D team was consolidated under his leadership as Chief Technology Officer. He became Chief Operating Officer in 2011, managing Silicon Labs’ business units and R&D, and was promoted to CEO in 2012. In his C-level roles, Tyson spearheaded the company’s focus on the Internet of Things, and drove the strategic acquisitions of Ember (the ZigBee market leader), Energy Micro (the pioneer of ultra-low-power ARM-based microcontrollers) and Bluegiga (a leading provider of Bluetooth and Wi-Fi modules and software). Tyson has more than 25 years of semiconductor experience with industry leaders like Broadcom and Cirrus Logic / Crystal Semiconductor, holds 70 patents in RF and mixed-signal IC design, and serves on the board of the Global Semiconductor Alliance. Tyson holds a BS in electrical engineering from Johns Hopkins University and an MS in electrical engineering from UCLA. He is also a respected leader in the Austin community, serving on the board of directors of KUT-FM and KLRU-TV, home of PBS and Austin City Limits.
Bill Bock is Silicon Labs’ President and Board Director. Bill is acting as Senior Vice President of Sales on an interim basis. He began his association with Silicon Labs by joining the Board of Directors in 2000. Bill then served as Chief Financial Officer from 2006 until stepping down in 2011. He returned to Silicon Labs in 2013, assuming his present position mid-year. Bill participated in the venture capital industry, principally as a partner with CenterPoint Ventures, from 2001-2006. Before his venture career, Bill held senior executive positions with three venture-back companies: Dazel Corporation, Tivoli Systems and Convex Computer Corporation. He began his career with Texas Instruments. Bill holds a BS in computer science from Iowa State University and an MS in industrial administration from Carnegie Mellon University. Silicon Labs’ worldwide sales organization is currently reporting to Bill on an interim basis while a search for a new Senior Vice President of Sales is underway. Bill’s background includes sales management, as well as 15 years of association with Silicon Labs.
John Hollister has served as Silicon Labs’ Chief Financial Officer and Senior Vice President since 2013, helping to lead the company’s growth in the broad-based semiconductor and Internet of Things (IoT) markets. John joined Silicon Labs in 2004 and held a variety of key financial management positions until 2007 when he became Managing Director of Silicon Labs’ Asia Operations, based in Singapore, where he was responsible for global supply chain management during a period of rapid growth overseas. In 2009, he advanced to Vice President, Manufacturing and Asia Operations. In 2012 he returned to Austin as Vice President of Business Development, where he was instrumental in executing the company's IoT acquisition strategy. Prior to joining Silicon Labs, John served as Vice President of Finance at Cicada Semiconductor and held various finance positions at Cirrus Logic, Veritas DGC, 3-D Geophysical and PricewaterhouseCoopers LLP. John is a Certified Public Accountant and holds a master’s degree in professional accounting and a bachelor’s degree in business administration from The University of Texas at Austin.
Michele Grieshaber joined Silicon Labs in April 2014 as Chief Marketing Officer, driving the company’s marketing strategies and overseeing marketing and corporate communications programs including digital and content marketing, lead generation, event marketing, media and analyst relations, social media and corporate branding. Prior to Silicon Labs, Michele led 200 marketing professionals as IBM’s Vice President of North America Demand Programs, annually delivering $20+ billion in marketing-generated sales pipeline across all IBM products. A 20-year IBM veteran, Michele also served as Vice President of Marketing for IBM’s Global Financing unit. During her IBM tenure, she held strategic positions in software, hardware and services businesses including positions based in Europe and Asia. Michele holds a PhD in mechanical engineering from Virginia Tech and was a Fulbright Scholar to France. She is an adjunct professor of Global Business Ethics at St. Edward’s University in Austin, Texas, and is a frequent guest lecturer at The University of Texas at Austin McCombs School of Business. In 2014, Michele joined the Board of Advisors for the College of Engineering at Virginia Tech.
As Silicon Labs’ Chief Technology Officer, Dr. Alessandro Piovaccari is responsible for the company’s product and technology research and development. Alessandro joined Silicon Labs in 2003 to design the company’s single-chip FM radio products, which have surpassed 1.2 billion device shipments. He co-architected Silicon Labs’ single-chip TV tuner IC, used by nine of the world’s top ten TV makers, with more than 50 percent market share. Previously, Alessandro worked as a research scientist at Tanner Research, joining the company in 1997 to develop CMOS image sensors. From 1998 to 2003, he was a member of the design services team at Cadence Design Systems, focusing on CMOS RFICs and high-speed SerDes IP development. Alessandro holds 38 patents (30 currently issued) and is a Senior Member of IEEE and a Full Member of AES. Alessandro received Laurea and PhD degrees in electronic engineering and computer science from the University of Bologna in Italy and a Post-Master's Certificate with Honors in electrical engineering from Johns Hopkins University.
James Stansberry is the Senior Vice President and General Manager of Silicon Labs’ Internet of Things (IoT) products and solutions, which includes the company’s microcontroller, wireless connectivity, sensor, and broadcast automotive and consumer portfolios. Previously, he served as Vice President and General Manager of Silicon Labs’ Broadcast products, responsible for the company’s worldwide broadcast audio and video businesses. Under James’s leadership in Broadcast, Silicon Labs became the No. 1 supplier of silicon tuners to the global TV market. James joined Silicon Labs in 2009 from Sony Corporation where he served in a variety of management roles in corporate strategy, R&D and semiconductor products. Previously he held business management and engineering positions with Motorola’s semiconductor product sector in several product groups focusing on the computing, consumer and game console markets. James holds a BS in electrical engineering from the University of Minnesota and an MS in electrical engineering from National Technological University in mixed-signal communication ICs.
Mark Thompson serves as Senior Vice President of Silicon Labs’ Infrastructure products, which include timing, isolation and analog access portfolios. Previously, he served as Vice President of Analog, Power and Sensor products at Silicon Labs. Mark joined Silicon Labs in 2000 as a product manager for the company’s silicon direct access arrangement (DAA) product family and has served in a variety of roles in multiple business units including marketing director, general manager and vice president. Prior to Silicon Labs, Mark held various engineering and marketing positions at BMC Software and Motorola's semiconductor products sector. Mark holds an MBA, an MS in electrical engineering, and a BS in electrical and computer engineering from The University of Texas at Austin.
Dr. Sandeep Kumar joined Silicon Labs in 2006 and is responsible for U.S.-based product and test engineering, quality, failure analysis, and foundry/device and assembly engineering, as well as the prototype production test labs. Prior to joining Silicon Labs, Sandeep managed global test engineering teams and was responsible for all product and test engineering for a $650 million business at Agere/Bell Labs. As a member of the Bell Labs technical staff, Sandeep also was a member of the group that designed ISDN U-interface chips, Speaker Phone Codec and Sigma-Delta A/D converters. Sandeep has a BT degree in electrical engineering from the Indian Institute of Technology, an MS in electrical engineering from the University of Evansville in Indiana and a PhD in electrical engineering from Lehigh University.
Lyn Herr joined Silicon Labs in 1998 and pioneered the company’s Human Resources department. She was instrumental in creating the company’s HR infrastructure, including global compensation and benefits programs, performance appraisal systems and employee development initiatives. During her tenure at Silicon Labs, Lyn has held various positions in finance and human resources, including Director of Global Compensation and Benefits and Senior Director of Global Human Resources. Lyn holds a BA in history from the University of Wisconsin, Eau Claire, and an MA in history from Texas State University.