Board of Directors

Navdeep S. Sooch co-founded Silicon Laboratories in August 1996 and has served as Chairman of the Board since our inception. Mr. Sooch served as our Chief Executive Officer from our inception through the end of fiscal 2003 and served as interim Chief Executive Officer from April 2005 to September 2005. From March 1985 until founding Silicon Laboratories, Mr. Sooch held various positions at Crystal Semiconductor/Cirrus Logic, a designer and manufacturer of integrated circuits, including Vice President of Engineering, as well as Product Planning Manager of Strategic Marketing and Design Engineer. From May 1982 to March 1985, Mr. Sooch was a Design Engineer with AT&T Bell Labs. Since October 2011, Mr. Sooch has served as the CEO of Ketra, Inc., a private company in the field of solid state lighting. Mr. Sooch holds a B.S. in Electrical Engineering from the University of Michigan, Dearborn and an M.S. in Electrical Engineering from Stanford University.

Recent Stock Transactions by Nav Sooch
Date Type Shares Traded Price Range
Apr 24, 2015 Acquisition (Non Open Market) 4,422 n/a
Feb 17, 2015 Automatic Sell 35,000 49.01
Feb 17, 2015 Option Execute 35,000 27.33
Feb 13, 2015 Automatic Sell 45,000 49.29
Feb 13, 2015 Option Execute 45,000 27.33
Feb 12, 2015 Automatic Sell 100,000 49.37
Feb 12, 2015 Option Execute 100,000 27.33
Feb 11, 2015 Automatic Sell 45,000 49.14 - 49.20
Feb 11, 2015 Option Execute 20,000 27.33
Oct 28, 2014 Automatic Sell 15,300 45.21
Oct 23, 2014 Automatic Sell 1,484 45.00
Sep 2, 2014 Automatic Sell 8,216 45.13
Apr 15, 2014 Acquisition (Non Open Market) 4,487 50.14
Feb 21, 2014 Automatic Sell 30,000 50.09
Feb 20, 2014 Automatic Sell 21,667 49.00 - 49.32
Feb 20, 2014 Option Execute 21,667 33.17
Jan 15, 2014 Automatic Sell 18,041 45.01
Oct 21, 2013 Automatic Sell 11,959 44.03
Sep 9, 2013 Automatic Sell 35,000 40.33
Sep 6, 2013 Automatic Sell 15,000 40.16
Aug 15, 2013 Automatic Sell 15,500 39.39
Aug 15, 2013 Option Execute 15,500 38.50
Apr 16, 2013 Acquisition (Non Open Market) 5,319 42.30
Apr 19, 2012 Acquisition (Non Open Market) 5,396 0.00
Mar 21, 2012 Option Execute 58,334 24.30
Mar 13, 2012 Option Execute 50,000 24.30
May 26, 2011 Option Execute 30,000 24.30
May 25, 2011 Option Execute 20,000 24.30
May 17, 2011 Option Execute 62,334 15.10
Apr 21, 2011 Acquisition (Non Open Market) 5,303 0.00
Apr 22, 2010 Acquisition (Non Open Market) 4,383 0.00
Apr 5, 2010 Automatic Sell 62,589 49.10 - 49.69
Apr 5, 2010 Option Execute 12,589 15.10
Mar 25, 2010 Automatic Sell 2,824 49.03
Mar 25, 2010 Option Execute 2,824 15.10
Mar 23, 2010 Automatic Sell 34,587 49.02
Mar 23, 2010 Option Execute 34,587 15.10
Aug 28, 2009 Automatic Sell 100,000 44.57 - 44.80
Aug 28, 2009 Option Execute 50,000 15.10
Jun 26, 2009 Automatic Sell 2,800 39.08
Jun 10, 2009 Automatic Sell 2,200 39.05
Jun 1, 2009 Automatic Sell 5,000 34.48
Apr 23, 2009 Acquisition (Non Open Market) 8,082 0.00
Feb 9, 2009 Disposition (Non Open Market) 4,571 n/a
Nov 3, 2008 Disposition (Non Open Market) 19,250 n/a
Oct 25, 2007 Automatic Sell 36,035 45.06
Sep 14, 2007 Automatic Sell 50,000 40.09 - 40.10
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
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
May 15, 2015 Automatic Sell 3,000 51.72
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
Mr. Enloe is currently the president and chief executive officer of Optisoft, Inc., a leading provider of intelligent traffic signal platforms. Mr. Enloe formerly served as vice chairman and member of the office of chief executive of Compaq Computer Corporation. He also served as president of Lomas Financial Corporation and Liberté Investors for more than 15 years. Mr. Enloe is currently a director of Leggett & Platt, Inc. and previously served as a director of the Federal Reserve Bank of Dallas. Mr. Enloe serves on the Board of Directors of Live Nation, the world's leading live entertainment company. Mr. Enloe holds a B.S. in engineering from Louisiana Polytechnic University and a J.D. from Southern Methodist University.
Recent Stock Transactions by Robert Ted Enloe III
Date Type Shares Traded Price Range
Apr 24, 2015 Acquisition (Non Open Market) 2,948 n/a
Apr 16, 2015 Automatic Sell 2,992 52.11
Mar 19, 2015 Automatic Sell 5,000 52.00
Mar 19, 2015 Option Execute 5,000 31.23
Feb 25, 2015 Sell 5,000 50.58
Dec 9, 2014 Option Execute 5,000 31.77
Apr 16, 2014 Automatic Sell 3,546 49.66
Apr 15, 2014 Acquisition (Non Open Market) 2,992 50.14
Feb 24, 2014 Automatic Sell 5,000 51.00
Feb 24, 2014 Option Execute 5,000 50.03
Apr 18, 2013 Automatic Sell 3,597 40.89
Apr 16, 2013 Acquisition (Non Open Market) 3,546 42.30
Jan 30, 2013 Automatic Sell 30,000 46.66
Jan 30, 2013 Option Execute 30,000 31.15
May 25, 2012 Sell 3,535 34.26
Apr 19, 2012 Acquisition (Non Open Market) 3,597 0.00
Nov 28, 2011 Sell 2,922 41.75
Nov 14, 2011 Sell 5,388 42.92
Apr 21, 2011 Acquisition (Non Open Market) 3,535 0.00
Apr 22, 2010 Acquisition (Non Open Market) 2,922 0.00
Apr 23, 2009 Acquisition (Non Open Market) 5,388 0.00

Mr. Lazar is currently the Chief Financial Officer of GoPro, a leading provider of wearable and mountable camera equipment. During 2013, he was an independent business and financial consultant. Prior to that, Mr. Lazar was senior vice president of corporate development and general manager of Qualcomm Atheros, following the acquisition of Atheros by Qualcomm in 2011. Mr. Lazar joined Atheros, a publicly traded provider of communications semiconductor solutions, in 2003 and served as chief financial officer and senior vice president, corporate development. He also served as executive vice president and chief financial officer of NetRatings, Inc., and chief financial officer of Apptitude, Inc. He has held various executive positions at Electronics for Imaging and started his career at Price Waterhouse. Mr. Lazar is a certified public accountant and holds a B.S. in commerce with an emphasis in accounting from Santa Clara University.

Recent Stock Transactions by Jack R. Lazar
Date Type Shares Traded Price Range
Apr 24, 2015 Acquisition (Non Open Market) 2,948 n/a
Apr 15, 2014 Acquisition (Non Open Market) 2,992 50.14
Aug 2, 2013 Buy 5,000 40.23
Apr 16, 2013 Statement of Ownership 0 n/a
Apr 16, 2013 Acquisition (Non Open Market) 3,546 42.30

Mr. Sadana has served as Executive Vice President, Chief Strategy Officer and General Manager of Enterprise Solutions at SanDisk since 2015. Previously, he served as Executive Vice President and Chief Strategy Officer of SanDisk from 2012 to 2015 and as SanDisk’s Senior Vice President and Chief Strategy Officer from 2010 to 2012. Mr. Sadana was President of Sunrise Capital LLC, a technology and financial consulting firm, from 2008 to 2010. Mr. Sadana was also Senior Vice President of Strategy and Business Development at Freescale Semiconductor from 2004 to 2008, as well as Freescale’s Chief Technology Officer from 2006 to 2007. Mr. Sadana started his career at IBM Corporation where he held several hardware design, software development, operations, strategic planning, business development and general management roles. Mr. Sadana has a Bachelor of Technology degree in Electrical Engineering from the Indian Institute of Technology (IIT), Kharagpur, and an M.S. in Electrical Engineering from Stanford University. Mr. Sadana has served on the board of directors of Second Harvest Food Bank, a 501©(3) charity, since 2014. 

 

Mr. Walker's 25-year history in the high-tech industry began at Hewlett Packard where he rose from IC designer to the manager of a design group working on a CMOS chip design for handheld computers. At Hewlett Packard, Mr. Walker was also part of the team researching the design of analog chips in CMOS. In 1981, Mr. Walker joined Digital Equipment Corporation where he served in several positions including vice president of manufacturing technology, vice president of network engineering and vice president and general manager of the network products business where he successfully drove revenue growth rates up to mid-double-digits. Mr. Walker co-founded and served as chief executive officer of C-Port Corporation, a pioneer in the network processor industry, which was acquired by Motorola for $430 million in 2000. Following the acquisition, he served as vice president of strategy for Motorola's Network and Computing Systems Group and then vice president and general manager of the Network and Computing Systems Group until 2002. Mr. Walker has been awarded five patents and has been published in numerous industry publications. He also serves as a director of McData Corporation, Propagate Networks, Massachusetts Telecommunications Council and Hopkins School (Connecticut). Mr. Walker received a bachelor's degree in electrical engineering from Princeton University, and he received a master's degree in electrical engineering and a PhD from the Massachusetts Institute of Technology (MIT).
Recent Stock Transactions by Larry G Walker PhD
Date Type Shares Traded Price Range
May 8, 2015 Sell 27,500 51.22
May 8, 2015 Option Execute 27,500 21.13 - 39.16
Apr 24, 2015 Acquisition (Non Open Market) 2,948 n/a
Dec 31, 2014 Automatic Sell 1,250 47.90
Dec 31, 2014 Option Execute 1,250 31.23
Oct 30, 2014 Automatic Sell 2,084 44.67
Oct 30, 2014 Option Execute 2,084 31.23 - 31.77
Jun 30, 2014 Automatic Sell 833 48.96
Jun 30, 2014 Option Execute 833 31.77
Apr 25, 2014 Automatic Sell 5,000 51.72
Apr 25, 2014 Option Execute 5,000 50.03
Apr 15, 2014 Acquisition (Non Open Market) 2,992 50.14
Mar 31, 2014 Automatic Sell 5,833 52.04
Mar 31, 2014 Automatic Sell 6,253 52.04
Mar 31, 2014 Option Execute 5,833 31.23 - 39.16
Feb 11, 2014 Sell 2,000 46.90
Feb 10, 2014 Sell 2,500 46.79
Feb 10, 2014 Option Execute 2,500 31.77
Aug 1, 2013 Disposition (Non Open Market) 3,535 n/a
Aug 1, 2013 Acquisition (Non Open Market) 3,535 n/a
Jun 10, 2013 Disposition (Non Open Market) 3,597 n/a
Jun 10, 2013 Acquisition (Non Open Market) 3,597 n/a
Apr 16, 2013 Acquisition (Non Open Market) 3,546 42.30
Apr 11, 2013 Automatic Sell 3,750 42.04
Apr 11, 2013 Option Execute 3,750 26.19
Jan 3, 2013 Automatic Sell 5,750 43.48
Jan 3, 2013 Option Execute 5,750 26.19
Oct 31, 2012 Automatic Sell 3,750 40.02
Oct 31, 2012 Option Execute 3,750 26.19
Oct 24, 2012 Automatic Sell 2,000 41.00
Oct 24, 2012 Option Execute 2,000 26.19
Aug 14, 2012 Automatic Sell 3,750 39.23
Aug 14, 2012 Option Execute 3,750 26.19
Jul 25, 2012 Automatic Sell 2,000 39.04
Jul 25, 2012 Option Execute 2,000 26.19
Jun 18, 2012 Automatic Sell 3,000 37.01
Jun 18, 2012 Option Execute 3,000 26.19
Jun 14, 2012 Automatic Sell 3,000 35.41
Jun 14, 2012 Option Execute 3,000 26.19
Apr 19, 2012 Acquisition (Non Open Market) 3,597 0.00
Nov 10, 2011 Sell 3,000 42.15
Nov 10, 2011 Option Execute 3,000 26.19
Apr 21, 2011 Acquisition (Non Open Market) 3,535 0.00
May 10, 2010 Sell 3,592 46.44
Apr 22, 2010 Acquisition (Non Open Market) 2,922 0.00
Apr 23, 2009 Acquisition (Non Open Market) 5,388 0.00

Mr. Wood has served as a director of Silicon Laboratories since March 1997 and as Lead Director since December 2005. Since 1996, Mr. Wood has also served as general partner of various funds associated with Silverton Partners, a venture capital firm. From 1984 to 2003, Mr. Wood was a general partner, and for certain funds created since 1996, a special limited partner, of various funds associated with Austin Ventures, a venture capital firm. Mr. Wood holds a B.A. in History from Brown University and an M.B.A. from Harvard University.

Recent Stock Transactions by William Wood
Date Type Shares Traded Price Range
Apr 24, 2015 Acquisition (Non Open Market) 2,948 n/a
Feb 13, 2015 Option Execute 5,000 31.23
Oct 27, 2014 Option Execute 5,000 31.77
Apr 15, 2014 Acquisition (Non Open Market) 2,992 50.14
Feb 26, 2014 Sell 5,000 51.22
Feb 26, 2014 Option Execute 5,000 50.03
Nov 1, 2013 Disposition (Non Open Market) 40,442 n/a
Nov 1, 2013 Acquisition (Non Open Market) 40,442 n/a
May 17, 2013 Disposition (Non Open Market) 8,597 n/a
May 17, 2013 Acquisition (Non Open Market) 8,597 n/a
Apr 16, 2013 Acquisition (Non Open Market) 3,546 42.30
Feb 11, 2013 Disposition (Non Open Market) 31,845 n/a
Feb 11, 2013 Acquisition (Non Open Market) 31,845 n/a
Feb 6, 2013 Option Execute 5,000 31.15
Apr 19, 2012 Acquisition (Non Open Market) 3,597 0.00
Mar 2, 2012 Option Execute 10,000 24.30 - 30.15
Jun 20, 2011 Option Execute 5,000 22.63
Apr 21, 2011 Acquisition (Non Open Market) 3,535 0.00
Feb 7, 2011 Option Execute 5,000 23.70
Apr 22, 2010 Acquisition (Non Open Market) 2,922 0.00
Apr 6, 2010 Automatic Sell 23,500 50.03
Apr 5, 2010 Automatic Sell 26,500 50.00
Jan 15, 2010 Automatic Sell 5,000 45.57
Jan 15, 2010 Option Execute 5,000 31.00
Dec 15, 2009 Automatic Sell 5,000 45.25
Dec 15, 2009 Option Execute 5,000 31.00
Nov 16, 2009 Automatic Sell 5,000 43.26
Nov 16, 2009 Option Execute 5,000 31.00
Oct 15, 2009 Automatic Sell 5,000 47.34
Oct 15, 2009 Option Execute 5,000 31.00
Sep 15, 2009 Automatic Sell 5,000 48.11
Sep 15, 2009 Option Execute 5,000 31.00
Aug 28, 2009 Automatic Sell 25,000 45.00
Aug 17, 2009 Automatic Sell 5,000 40.70
Aug 17, 2009 Option Execute 5,000 31.00
Jul 22, 2009 Automatic Sell 25,000 40.00
Jun 1, 2009 Automatic Sell 25,000 35.00
May 5, 2009 Automatic Sell 25,000 33.78
Apr 23, 2009 Acquisition (Non Open Market) 5,388 0.00
May 7, 2008 Automatic Sell 15,275 35.01
May 6, 2008 Automatic Sell 9,725 35.00
May 1, 2008 Automatic Sell 25,000 33.50
Oct 25, 2007 Automatic Sell 25,000 45.00
Sep 14, 2007 Automatic Sell 25,000 40.00

Mr. Bogen is a 20-year semiconductor veteran and one of the inventors of the successful AVR microcontroller product. He is currently the chief executive officer and a member of the board of directors of Novelda AS, a privately held technology company based in Norway specializing in smart sensors for proximity and presence detection based on proprietary ultra-high-resolution impulse radar chip technology. Prior to Novelda, he was chief marketing officer of Energy Micro AS until it was acquired by Silicon Labs in July 2013.  Mr. Bogen held various management positions at Atmel Corporation, including managing director of the AVR business unit from 1995 to 2009, vice president of corporate marketing from 2009 to 2011 and chief marketing officer from 2011 to 2013.  He began his career at Nordic VLSI in Norway. Mr. Bogen holds a Master of Science degree in electrical engineering and computer science from Norwegian University of Science and Technology and a Bachelor of Science degree in electrical and computing engineering from Trondheim University College.

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