Silicon Labs Management

 
 

Tyson Tuttle

Chief Executive Officer

Tyson Tuttle, Silicon Labs CEOMr. Tuttle joined Silicon Labs in 1997 and helped design the company’s first product, a silicon DAA, that subsequently achieved market share leadership in PC modems and allowed the company to go public in 2000. Mr. Tuttle led the marketing effort behind the company’s first RF transceiver products for mobile handsets. He also spearheaded the development and market penetration strategy of the company’s successful radio and TV tuner ICs, creating the broadcast business that today represents about one third of the company. Mr. Tuttle led the broadcast product lines until 2010 when the R&D team was consolidated under his leadership as chief technology officer. He then took over as chief operating officer in 2011 and was responsible for managing all of the company’s business units and R&D. He became the President and CEO in 2012. Prior to joining Silicon Labs, Mr. Tuttle held senior design engineering positions at Crystal Semiconductor/Cirrus Logic and Broadcom Corporation. Mr. Tuttle holds an M.S. in electrical engineering from UCLA and a B.S. in electrical engineering from Johns Hopkins University. He has 70 patents issued or pending in the areas of RF and mixed-signal IC design.
 
 

Bill Bock

President

Bill Bock - Director and Chief Financial OfficerMr. Bock joined Silicon Labs’ board of directors in 2000 and was appointed CFO in 2006. He retired from Silicon Labs’ management team in 2011, returning as interim CFO in early 2013. Mr. Bock brings more than 30 years of experience spanning finance, operations and sales. Prior to joining Silicon Labs, he was president and chief executive officer of DAZEL Corporation. Prior to DAZEL, Mr. Bock served as executive vice president and chief operating officer of Tivoli Systems, CFO and senior vice president of sales of Convex Computer Corporation and spent nine years in various finance roles at Texas Instruments, including vice president and controller of TI’s data systems group. Mr. Bock holds a bachelor’s degree in Computer Science from Iowa State University and a master’s degree in Industrial Administration from Carnegie Mellon University.
 
 

John Hollister

Chief Financial Officer

John Hollister, Silicon Labs CFOMr. Hollister joined Silicon Labs in 2004 as financial planning and analysis manager and was promoted to director of finance, worldwide operations in 2005. In 2007, Mr. Hollister took over as managing director of Asia operations and was ultimately promoted to vice president of manufacturing and Asia operations where he served until 2012, when he relocated back to the US and became vice president of business development. Mr. Hollister’s 20 years of professional experience include vice president of finance at Cicada Semiconductor, a private company, and various finance positions at Cirrus Logic, Veritas DGC, 3-D Geophysical and PricewaterhouseCoopers LLC. Mr. Hollister is a CPA and has a Masters in Accounting and a bachelor’s degree in Business Administration from the University of Texas at Austin.
 
 

Dave Bresemann

Senior Vice President and Chief Product Officer

Dave BresemannMr. Bresemann joined Silicon Labs in 1998 as the Director of Marketing and helped craft the company’s marketing strategy for its first Wireline products. Mr. Bresemann then served as Vice President and General Manager of the Wireline product group from 2002 to 2009. He then became the Vice President and General Manager of the company’s Broadcast products until 2012 when he was appointed as Senior Vice President and Chief Product Officer responsible for all of the company’s business units. Prior to Silicon Labs, Mr. Bresemann served as the Director of Marketing for Consumer and Professional Audio Products at Crystal Semiconductor/Cirrus Logic from February 1992 to July 1998. From 1988 to 1992, Mr. Bresemann held various sales positions for Analog Devices, a designer and manufacturer of integrated circuits. Mr. Bresemann holds a B.S. in electrical engineering from the University of Arizona.
 
 

Michele Grieshaber

Chief Marketing Officer

Michele GrieshaberMichele Grieshaber joined Silicon Labs in April 2014 as Chief Marketing Officer (CMO), 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. Previously she was the Vice President of Demand Programs at IBM North America where she drove over $20 billion in marketing-generated sales pipeline annually and led a team of 200 marketing professionals and agency partners. A 20-year IBM veteran, Ms. Grieshaber also served as Vice President of Marketing for IBM’s Global Financing unit. During her IBM tenure, she has held strategic positions in software, hardware and services businesses including positions based in Europe. Ms. Grieshaber has a PhD in mechanical engineering from Virginia Polytechnic Institute and was a Fulbright scholar to France in 1988. She is an adjunct professor teaching Global Business Ethics at St. Edward’s University in Austin, Texas, and a guest lecturer at The University of Texas McComb’s School of Business on a variety of marketing topics.
 
 

Geir Førre

Senior Vice President and General Manager

Geir Førre, Silicon Labs SVP and GMMr. Førre joined Silicon Labs as Senior Vice President and General Manager of Microcontroller Products in July 2013 following the company’s acquisition of Energy Micro. Mr. Førre founded Energy Micro in 2007 and helped spearhead the development and market introduction of the world’s most energy-friendly microcontrollers (MCUs), the EFM32™ Gecko MCU portfolio. Mr. Førre has more than 20 years of semiconductor industry experience spanning research, development, marketing and management. Prior to founding Energy Micro, he was a co-founder of Chipcon, serving as its President and CEO from Chipcon’s beginning in 1996 until August 2007. Mr. Førre led Chipcon’s development from its inception as a design house to becoming the market leader in low-power RF solutions a decade later. He holds an M.S. in electrical engineering from the Norwegian University of Science and Technology, commonly known as NTNU, in Trondheim, Norway.
 
 

Jon Ivester

Senior Vice President of Strategic Operations

Jon IvesterMr. Ivester joined Silicon Laboratories in September 1997 and has been responsible for the company’s operations from inception. From May 1984 to September 1997, Mr. Ivester was with Applied Materials and served as Director of Manufacturing and Director of U.S. Procurement in addition to various engineering management positions. Mr. Ivester was a scientist at Bechtel Corporation, an engineering and construction company, from 1980 to 1982 and at Abcor, Inc., an ultrafiltration company and subsidiary of Koch Industries, from 1978 to 1980. Mr. Ivester holds a B.S. in chemistry from the Massachusetts Institute of Technology and an M.B.A. from Stanford University.
 
 

Kurt Hoff

Senior Vice President of Worldwide Sales

Kurt HoffMr. Hoff joined Silicon Laboratories in 2005 and served as the company’s Vice President of European sales and operations where he was instrumental in establishing a presence at key European accounts and in developing a distribution channel for the company’s expanding, broad-based business. In 2007, Mr. Hoff took over responsibility for the worldwide sales team. Prior to joining Silicon Laboratories, Mr. Hoff served as President, Chief Executive Officer and Director of Cognio, a spectrum management company. Mr. Hoff previously managed sales and operations for C-Port Corporation, a network processor company acquired by Motorola. Additionally, Mr. Hoff held various positions at AMD. Mr. Hoff holds a B.S. degree in physics from the University of Illinois and an M.B.A. from the University of Chicago.
 
 

Lyn Herr

Vice President of Human Resources

Lyn HerrMs. 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, Ms. Herr has held various positions in finance and human resources, including Director of Global Compensation and Benefits and Senior Director of Global Human Resources. Ms. Herr holds a BA in History from the University of Wisconsin, Eau Claire and an MA in History from Texas State University.