Silicon Labs Management

Mr. 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 rejoined Silicon Labs as the interim Chief Financial Officer in 2013. Bill served on the Silicon Labs Board of Directors from 2000 to 2006, before stepping down to the join the management team as CFO until 2011, when he rejoined the Board. Bill also currently serves on the Board of Entropic Communications as well as several private companies. Prior to joining Silicon Laboratories management team in 2006, Bill was a partner at venture capital firms CenterPoint Ventures and Verity Ventures. From 1997 to 1999, Bill served as President and Chief Executive Officer of DAZEL Corporation, a provider of electronic information delivery systems. After DAZEL’s acquisition by Hewlett-Packard, Bill then served as Vice President for HP until 2001. Bill served as Executive Vice President and Chief Operating Officer of Tivoli Systems, a client server software company, which he helped take public in 1995 and was later acquired by IBM in 1996. Prior to joining Tivoli, Bill successfully completed an IPO at Convex Computer Corporation as CFO in 1986 and then became the Senior Vice President of Sales in 1991. Prior to Convex, Bill spent nine years in various finance roles at Texas Instruments including the Vice President and Controller of the Data Systems Group. Bill holds a bachelor’s degree in Computer Science from Iowa State University and a master’s degree in industrial administration from Carnegie Mellon University.

Mr. 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.

Mr. 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.

Mr. 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.