Company Management

Board Members & Executive Staff

Board Members

John R. Ambroseo, PhD

Mr. Ambroseo started his career with Coherent in 1988, as a Sales Engineer and progressed through the ranks as a Product Marketing Manager, National Sales Manager and Director of European Operations. From 1997 to 2002, he continued to move forward as Scientific Business Unit Manager, Executive Vice President, President and General Manager of the Coherent Laser Group, until he became Chief Operating Officer.

Since 2002, Mr. Ambroseo has led Coherent as President and Chief Executive Officer as well as being a member of the Board of Directors.

Mr. Ambroseo received a Bachelor degree from SUNY-College at Purchase and a PhD in Chemistry from the University of Pennsylvania.

Jay T. Flatley

Since 1999 Mr. Flatley has served as a member of the Board of Directors of Illumina, Inc., a leading developer, manufacturer and marketer of life science tools and integrated systems for the analysis of genetic variation and function and since July 2016, as Illumina’s Executive Chairman of the Board of Directors. From January 2016 to July 2016, he also served as Illumina’s Chairman of the Board of Directors. From 1999 until July 2016, Mr. Flatley was Illumina’s Chief Executive Officer. From 1999 to December 2013, Mr. Flatley also served as Illumina’s President. Prior to joining Illumina, Mr. Flatley was President, Chief Executive Officer, and a member of the Board of Directors of Molecular Dynamics, Inc., a NASDAQ listed life sciences company focused on genetic discovery and analysis, from 1994 until its sale to Amersham Pharmacia Biotech Inc. in 1998. Additionally, he was a co founder of Molecular Dynamics and served in various other positions there from 1987 to 1994. From 1985 to 1987, he was Vice President of Engineering and Vice President of Strategic Planning at Plexus Computers, a UNIX computer company. Mr. Flatley is also a member of the Board of Juno Therapeutics, a biopharmaceutical company. Mr. Flatley holds a B.A. in Economics from Claremont McKenna College and a B.S. and a M.S. in Industrial Engineering from Stanford University.

Pamela Fletcher

Ms. Fletcher has served as Vice President – Global Electric Vehicle Programs at General Motors Company (“GM”), a global automotive company, since October 2017. Over a fifteen-plus year career with GM, Ms. Fletcher has served in various roles, including Global Executive Chief Engineer, Autonomous and Electrified Vehicles and New Technology, since July 2016; Executive Chief Engineer, Electrified Vehicles from August 2012 to July 2016; Chief Engineer, Chevrolet Volt Propulsion System from 2009 to August 2012, and as Assistant Chief Engineer, Hybrid & Electric Propulsion Systems from 2007 to 2008. She holds a B.S. Engineering from Kettering University and an M.S. Engineering from Wayne State University.

Susan M. James

Ms. James originally joined Ernst & Young, a global accounting services firm, in 1975, serving as a partner from 1987 until her retirement in June 2006, and as a consultant from June 2006 to December 2009. During her tenure with Ernst & Young, she was the lead partner or partner-in-charge for the audit work for a significant number of technology companies, including Intel Corporation, Sun Microsystems, Inc.,, Inc., Autodesk, Inc. and the Hewlett-Packard Company, as well as for the Ernst & Young North America Global Account Network. She also served on the Ernst & Young Americas Executive Board of Directors from January 2002 through June 2006. She is a certified public accountant (inactive) and a member of the American Institute of Certified Public Accountants. Ms. James also serves on the boards of directors of Applied Materials, Inc., a global leader in materials engineering solutions for the semiconductor, flat panel display and solar photovoltaic industries and Tri-Valley Animal Rescue, a non-profit corporation dedicated to providing homes for homeless pets. Ms. James previously served as a director of Yahoo! Inc. Ms. James holds Bachelor’s degrees in Mathematics from Hunter College and Accounting from San Jose State University.

L. William Krause

Since 1991, Mr. Krause has served as President of LWK Ventures, a private advisory and investment firm. In addition, Mr. Krause served as President and Chief Executive Officer of 3Com Corporation, a global data networking company, from 1981 to 1990 and as its Chairman from 1987 to 1993 when he retired. Mr. Krause currently serves as a director of Brocade Communications Systems, Inc., a networking solutions and services company and CommScope Holding Company, Inc., a networking infrastructure company. Mr. Krause previously served as a director for the following public companies: Core-Mark Holding Company, Inc., Packeteer, Inc., Sybase, Inc. and TriZetto Group, Inc.

Mr. Krause holds a in electrical engineering and received an honorary Doctorate of Science from The Citadel.

Garry Rogerson, PhD

Mr. Rogerson has served as Coherent’s Chairman of the Board since June 2007. Since September 2014, Mr. Rogerson has been a private investor. From August 2011 to September 2014, Mr. Rogerson was Chief Executive Officer and a member of the Board of Directors of Advanced Energy Industries, Inc., a provider of power and control technologies for thinfilm manufacturing and solar-power generation, after which he has agreed to serve as a special advisor for a period of time. He was Chairman and Chief Executive Officer of Varian, Inc., a major supplier of scientific instruments and consumable laboratory supplies, vacuum products and services, from February 2009 and 2004, respectively, until the purchase of Varian by Agilent Technologies, Inc. in May 2010. Mr. Rogerson served as Varian’s Chief Operating Officer from 2002 to 2004, as Senior Vice President, Scientific Instruments from 2001 to 2002, and as Vice President, Analytical Instruments from 1999 to 2001.

Mr. Rogerson received an honours degree and Ph.D. in biochemistry from the University of Kent at Canterbury, as well as an honorary doctoral science degree from the University of Kent at Canterbury.

Steve Skaggs

Mr. Skaggs has been a private investor since April 2016. From May 2013 to April 2016, Mr. Skaggs served as Senior Vice President and Chief Financial Officer of Atmel Corporation, a leading supplier of microcontrollers, prior to its acquisition by Microchip Technology Incorporated. Mr. Skaggs joined Atmel in September 2010 and served as Senior Vice President, Corporate Strategy and Development until his appointment as Chief Financial Officer. Mr. Skaggs has more than 25 years of experience in the semiconductor industry, including serving as President, Chief Executive Officer and Chief Financial Officer of Lattice Semiconductor, a supplier of programmable logic devices and related software. He was also previously a member of the Board of Directors of Lattice. Prior to Lattice, Mr. Skaggs was employed by Bain & Company, a global management consulting firm, where he specialized in high technology product strategy, mergers and acquisitions and corporate restructurings. Mr. Skaggs holds an MBA degree from the Harvard Business School and a B.S. degree in Chemical Engineering from the University of California, Berkeley.

Sandeep Vij

Since February 2013, Mr. Vij has been a private investor. Previously, he held the position of President and Chief Executive Officer of MIPS Technologies, Inc., a leading provider of processor architectures and cores, from January 2010 until its sale in February 2013. In addition, Mr. Vij had been the Vice President and General Manager of the Broadband and Consumer Division of Cavium Networks, Inc., a provider of highly integrated semiconductor products from May 2008 to January 2010. Prior to that, he held the position of Vice President of Worldwide Marketing, Services and Support for Xilinx Inc., a digital programmable logic device provider, from 2007 to April 2008. From 2001 to 2006, he held the position of Vice President of Worldwide Marketing at Xilinx. From 1997 to 2001, he served as Vice President and General Manager of the General Products Division at Xilinx. Mr. Vij joined Xilinx in 1996 as Director of FPGA Marketing.

Mr. Vij is a graduate of General Electric’s Edison Engineering Program and Advanced Courses in Engineering. He holds an MSEE from Stanford University and a BSEE from San Jose State University.

Executive Staff

John R. Ambroseo, PhD, President and Chief Executive Officer

Kevin Palatnik, Executive Vice President and Chief Financial Officer

Bret DiMarco, Executive Vice President and General Counsel

Thomas Merk - Executive Vice President and General Manager, Industrial Laser and Systems

Paul Sechrist, Executive Vice President, Sales and Service

Mark S. Sobey, PhD, Executive Vice President and General Manager OEM Laser Sources

Luis Spinelli, Executive Vice President and Chief Technology Officer

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