Management

Image of Tyson Tuttle

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.

Recent Stock Transactions by Tyson Tuttle
Date Type Shares Traded Price Range
Feb 24, 2015 Automatic Sell 8,700 50.57
Feb 24, 2015 Option Execute 8,700 32.11
Feb 20, 2015 Automatic Sell 1,300 49.91
Feb 20, 2015 Option Execute 1,300 32.11
Feb 15, 2015 Acquisition (Non Open Market) 36,034 n/a
Feb 13, 2015 Disposition (Non Open Market) 5,814 49.26
May 15, 2014 Disposition (Non Open Market) 12,733 43.54
Feb 21, 2014 Automatic Sell 3,000 49.95
Feb 21, 2014 Option Execute 3,000 32.11
Feb 15, 2014 Acquisition (Non Open Market) 39,942 48.17
Feb 14, 2014 Disposition (Non Open Market) 2,347 48.17
May 15, 2013 Disposition (Non Open Market) 13,602 41.36
Mar 15, 2013 Acquisition (Non Open Market) 34,433 n/a
Feb 15, 2013 Disposition (Non Open Market) 3,921 43.40
May 15, 2012 Disposition (Non Open Market) 12,149 34.03
Feb 29, 2012 Acquisition (Non Open Market) 6,958 0.00
Feb 15, 2012 Disposition (Non Open Market) 5,641 45.05
May 12, 2011 Statement of Ownership 0 n/a
May 12, 2011 Acquisition (Non Open Market) 100,000 0.00
Image of Bill Bock

Mr. 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.

Recent Stock Transactions by Bill Bock
Date Type Shares Traded Price Range
Mar 20, 2015 Automatic Sell 10,000 52.50
Mar 20, 2015 Option Execute 10,000 31.96
Feb 24, 2015 Automatic Sell 5,000 50.50
Feb 24, 2015 Option Execute 5,000 32.11
Feb 17, 2015 Automatic Sell 3,000 48.15
Feb 15, 2015 Acquisition (Non Open Market) 10,151 n/a
Feb 13, 2015 Disposition (Non Open Market) 1,056 49.26
Feb 5, 2015 Automatic Sell 1,296 47.90
Feb 5, 2015 Option Execute 1,296 32.98
Dec 31, 2014 Automatic Sell 1,131 48.50
Dec 31, 2014 Option Execute 1,131 32.98
Dec 23, 2014 Automatic Sell 2,573 48.50
Dec 23, 2014 Option Execute 2,573 32.98
Nov 18, 2014 Automatic Sell 3,000 45.09
Nov 5, 2014 Automatic Sell 10,000 46.52
Nov 5, 2014 Option Execute 10,000 32.98
Aug 25, 2014 Automatic Sell 13,000 44.50
Aug 25, 2014 Option Execute 10,000 32.98
May 15, 2014 Automatic Sell 4,000 43.43
Mar 14, 2014 Disposition (Non Open Market) 610 52.20
Mar 7, 2014 Automatic Sell 12,791 53.00
Mar 7, 2014 Option Execute 12,791 32.98
Mar 6, 2014 Automatic Sell 6,274 53.00
Mar 6, 2014 Option Execute 6,274 32.98
Mar 5, 2014 Automatic Sell 935 53.00
Mar 5, 2014 Option Execute 935 32.98
Feb 24, 2014 Automatic Sell 25,000 51.00 - 51.03
Feb 24, 2014 Option Execute 25,000 32.98 - 50.03
Feb 20, 2014 Automatic Sell 20,000 49.00
Feb 20, 2014 Option Execute 20,000 32.98
Feb 18, 2014 Automatic Sell 4,000 47.58
Feb 15, 2014 Acquisition (Non Open Market) 11,523 48.17
Feb 14, 2014 Disposition (Non Open Market) 4,047 48.17
Jan 30, 2014 Automatic Sell 10,000 47.41
Jan 30, 2014 Option Execute 10,000 32.98
Jan 29, 2014 Automatic Sell 10,000 47.01
Jan 29, 2014 Option Execute 10,000 32.98
Jan 15, 2014 Automatic Sell 20,000 45.00
Jan 15, 2014 Disposition (Non Open Market) 475 45.09
Jan 15, 2014 Option Execute 20,000 32.98
Dec 13, 2013 Disposition (Non Open Market) 610 40.72
Dec 4, 2013 Automatic Sell 4,000 40.00
Nov 15, 2013 Disposition (Non Open Market) 610 39.37
Oct 15, 2013 Disposition (Non Open Market) 610 43.29
Oct 11, 2013 Automatic Sell 7,832 43.00
Oct 11, 2013 Option Execute 7,832 32.98
Oct 10, 2013 Automatic Sell 1,781 43.00
Oct 10, 2013 Option Execute 1,781 32.98
Oct 1, 2013 Automatic Sell 10,387 43.00
Oct 1, 2013 Option Execute 10,387 32.98
Image of John Hollister

Mr. 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.

Image of David Bresemann

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.

Image of Geir Førre

Mr. 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.

Image of Jon Ivester

Mr. Ivester joined Silicon Laboratories in September 1997 as Vice President of Manufacturing. 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.

Recent Stock Transactions by Jon Ivester
Date Type Shares Traded Price Range
Dec 9, 2014 Automatic Sell 3,000 46.79
Nov 12, 2014 Automatic Sell 3,000 45.77
Nov 12, 2014 Option Execute 1,497 36.81
Aug 19, 2014 Automatic Sell 2,000 43.20
Aug 19, 2014 Option Execute 2,000 36.81
Jul 9, 2014 Automatic Sell 3,000 48.66
Jul 9, 2014 Option Execute 3,000 36.81
Jun 10, 2014 Automatic Sell 3,000 46.91
Jun 10, 2014 Option Execute 3,000 36.81
May 1, 2014 Automatic Sell 2,000 45.25
May 1, 2014 Option Execute 2,000 36.81
Apr 8, 2014 Automatic Sell 4,000 51.28
Apr 8, 2014 Option Execute 4,000 36.81
Mar 20, 2014 Automatic Sell 4,000 53.28
Mar 20, 2014 Option Execute 4,000 33.17 - 36.81
Feb 15, 2014 Acquisition (Non Open Market) 9,447 48.17
Feb 14, 2014 Disposition (Non Open Market) 2,004 48.17
Feb 11, 2014 Automatic Sell 3,000 46.98
Feb 11, 2014 Option Execute 3,000 33.17
Jan 14, 2014 Automatic Sell 2,000 42.80
Jan 14, 2014 Option Execute 2,000 33.17
Dec 10, 2013 Automatic Sell 2,000 41.65
Dec 10, 2013 Option Execute 2,000 33.17
Nov 1, 2013 Disposition (Non Open Market) 1,000 n/a
Oct 10, 2013 Automatic Sell 740 42.79
Oct 10, 2013 Option Execute 740 33.17
Oct 8, 2013 Automatic Sell 1,260 42.79
Oct 8, 2013 Option Execute 1,260 33.17
Sep 10, 2013 Automatic Sell 2,000 40.57
Sep 10, 2013 Option Execute 2,000 33.17
Apr 9, 2013 Automatic Sell 3,000 40.61
Mar 15, 2013 Acquisition (Non Open Market) 9,700 n/a
Mar 14, 2013 Automatic Sell 3,000 42.11
Mar 14, 2013 Automatic Sell 1,700 42.11
Feb 15, 2013 Disposition (Non Open Market) 2,644 43.40
Feb 12, 2013 Automatic Sell 3,000 43.76
Feb 12, 2013 Option Execute 3,000 32.11 - 33.17
Jan 30, 2013 Automatic Sell 20,000 44.50
Jan 30, 2013 Option Execute 20,000 38.50
Jan 25, 2013 Automatic Sell 3,000 42.64
Jan 25, 2013 Option Execute 3,000 31.96 - 32.11
Dec 11, 2012 Automatic Sell 3,000 42.27
Dec 11, 2012 Automatic Sell 1,800 42.27
Dec 11, 2012 Option Execute 3,000 31.96
Nov 26, 2012 Automatic Sell 3,000 41.41
Sep 12, 2012 Automatic Sell 1,950 38.46
Jun 12, 2012 Automatic Sell 1,950 35.75
May 24, 2012 Disposition (Non Open Market) 1,000 n/a
Apr 11, 2012 Automatic Sell 5,000 41.92
Mar 13, 2012 Automatic Sell 5,000 42.03
Image of Kurt Hoff

Mr. Hoff joined Silicon Laboratories in 2005 to manage the company's European sales and operations. Mr. Hoff was instrumental in building a foothold at key European accounts and in developing a distribution channel for the company's expanding, broad-based business. Prior to joining Silicon Laboratories, Mr. Hoff served as president, chief executive officer and director of Cognio, a spectrum management company. Mr. Hoff also managed the operations and sales of C-Port Corporation, the wholly-owned network processor subsidiary acquired by Motorola in May 2000. Additionally, Mr. Hoff spent 10 years at AMD. Mr. Hoff holds a master's degree in business administration from the University of Chicago and a bachelor's degree in physics from the University of Illinois.

Recent Stock Transactions by Kurt Hoff
Date Type Shares Traded Price Range
Mar 16, 2015 Automatic Sell 665 50.83
Feb 17, 2015 Automatic Sell 665 48.29
Feb 15, 2015 Acquisition (Non Open Market) 15,429 n/a
Feb 13, 2015 Disposition (Non Open Market) 2,851 49.26
Mar 18, 2014 Automatic Sell 1,288 52.53
Mar 7, 2014 Automatic Sell 10,493 53.11
Mar 7, 2014 Option Execute 10,493 34.29
Mar 6, 2014 Automatic Sell 7,307 52.96 - 52.96
Mar 6, 2014 Option Execute 7,307 34.29
Mar 5, 2014 Automatic Sell 2,200 52.96
Mar 5, 2014 Option Execute 2,200 34.29
Feb 15, 2014 Acquisition (Non Open Market) 15,156 48.17
Feb 14, 2014 Disposition (Non Open Market) 2,528 48.17
Aug 1, 2013 Automatic Sell 1,575 39.84
Jul 1, 2013 Automatic Sell 1,575 42.11
Jun 3, 2013 Automatic Sell 1,575 42.92
May 1, 2013 Automatic Sell 1,575 39.55
Apr 1, 2013 Automatic Sell 1,575 40.73
Mar 15, 2013 Acquisition (Non Open Market) 12,125 n/a
Mar 1, 2013 Automatic Sell 1,575 40.77
Feb 15, 2013 Disposition (Non Open Market) 3,590 43.40
Sep 4, 2012 Automatic Sell 1,536 38.10
Aug 1, 2012 Automatic Sell 1,536 36.70
Jul 2, 2012 Automatic Sell 1,536 37.63
Jun 1, 2012 Automatic Sell 2,163 33.65
May 1, 2012 Automatic Sell 2,163 35.33
Apr 2, 2012 Automatic Sell 2,163 42.44
Mar 1, 2012 Automatic Sell 2,163 44.97
Feb 29, 2012 Acquisition (Non Open Market) 5,387 0.00
Feb 15, 2012 Disposition (Non Open Market) 5,026 45.05
Aug 1, 2011 Automatic Sell 1,780 35.74
Jul 1, 2011 Automatic Sell 2,000 41.10
Jun 1, 2011 Automatic Sell 2,000 42.80
May 2, 2011 Automatic Sell 1,675 43.01
Apr 1, 2011 Automatic Sell 2,000 43.16
Mar 1, 2011 Automatic Sell 2,000 45.22
Feb 15, 2011 Acquisition (Non Open Market) 9,185 0.00
Feb 15, 2011 Disposition (Non Open Market) 4,294 45.73
Jan 3, 2011 Automatic Sell 545 46.29
Sep 7, 2010 Automatic Sell 1,830 39.42
Aug 4, 2010 Automatic Sell 2,000 40.80
Jul 9, 2010 Automatic Sell 2,000 42.35
Jul 2, 2010 Disposition (Non Open Market) 2,204 40.74
Apr 5, 2010 Automatic Sell 2,875 48.00
Mar 4, 2010 Automatic Sell 700 46.49
Feb 15, 2010 Disposition (Non Open Market) 1,353 45.24
Feb 15, 2010 Acquisition (Non Open Market) 19,762 0.00
Feb 4, 2010 Automatic Sell 1,050 44.50
Jan 4, 2010 Automatic Sell 2,156 47.44
Dec 7, 2009 Disposition (Non Open Market) 396 44.63
Image of Lyn Herr

Ms. 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.

 
 

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