Executive Officers

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Executive Officers

John AmbroseoJohn R. Ambroseo, PhD - President & Chief Executive Officer

Mr. Ambroseo has served as our President and Chief Executive Officer as well as a member of the Board of Directors since October 2002. Mr. Ambroseo served as our Chief Operating Officer from June 2001 through September 2002. Mr. Ambroseo served as our Executive Vice President and as President and General Manager of the Coherent Photonics Group from September 2000 to June 2001. From September 1997 to September 2000, Mr. Ambroseo served as our Executive Vice President and as President and General Manager of the Coherent Laser Group. From March 1997 to September 1997, Mr. Ambroseo served as our Scientific Business Unit Manager. From August 1988, when Mr. Ambroseo joined us, until March 1997, he served as a Sales Engineer, Product Marketing Manager, National Sales Manager and Director of European Operations. Mr. Ambroseo received a Bachelor degree from SUNY-College at Purchase and a PhD in Chemistry from the University of Pennsylvania.

Kevin PalatnikKevin Palatnik - Executive Vice President & Chief Financial Officer

Mr. Palatnik has served as our Executive Vice President and Chief Financial Officer since February 2016. Prior to that from August 2011 until its acquisition by Knowles Corporation in July 2015, Mr. Palatnik served as the Chief Financial Officer of Audience, Inc., a provider of intelligent voice and audio solutions for mobile devices. Prior to that from June 2001 to November 2010, Mr. Palatnik held various roles at Cadence Design Systems, Inc., an electronic design automation software company, including as its senior vice president and chief financial officer. Mr. Palatnik also serves as a member of the board of directors and chair of the audit committee of Adesto Technologies, Inc., a memory solutions semiconductor company. Mr. Palatnik received a B.S. in Industrial Engineering and Operations Research and a M.B.A. from Syracuse University.

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

Mr. Sobey has served as our Executive Vice President and General Manager of OEM Laser Sources (OLS) since November 2016. He previously served as our Executive Vice President and General Manager of Specialty Laser Systems (SLS) from April 2010 to November 2016. Mr. Sobey served as Senior Vice President and General Manager for the SLS Business Group from joining Coherent in July 2007 until April 2010. Prior to Coherent, Mr. Sobey spent over 20 years in the Laser and Fiber Optics Telecommunications industries, including roles as Senior Vice President Product Management at Cymer from January 2006 through June 2007 and previously as Senior Vice President Global Sales at JDS Uniphase through October 2005. He received his PhD in Engineering and BSc in Physics from the University of Strathclyde in Scotland.

Paul SechristPaul Sechrist - Executive Vice President, Worldwide Sales and Service

Mr. Paul Sechrist was appointed Executive Vice President, Worldwide Sales and Service in March 2011. He has over 35 years of experience with Coherent, including roles as Senior Vice President and General Manager of Commercial Lasers and Components from October 2008 to March 2011, Vice President and General Manager of Specialty Laser Systems, Santa Clara from March 2008 to October 2008 and Vice President for Components from April 2005 to October 2008. Mr. Sechrist received an AA degree from San Jose City College, with Physics studies at California State University, Hayward.

Bret DiMarcoBret DiMarco, Executive Vice President and General Counsel

Mr. DiMarco has served as our Executive Vice President and General Counsel since June 2006 and our Corporate Secretary since February 2007. From February 2003 until May 2006, Mr. DiMarco was a member and from October 1995 until January 2003 was an associate at Wilson Sonsini Goodrich & Rosati, P.C., a law firm. Mr. DiMarco received a Bachelor’s degree from the University of California at Irvine and a Juris Doctorate degree from the Law Center at the University of Southern California. Additionally, Mr. DiMarco is a member of the Nasdaq Listing and Hearing Review Council and an adjunct professor at the University of California, Hastings College of the Law.

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

Mr. Merk was appointed Executive Vice President and General Manager, Industrial Lasers & Systems in December 2016. Prior to that, Mr. Merk was Chief Executive Officer and President of Rofin-Sinar Technologies Inc. and a member of its board of directors from July 2015 to November 2016, when the acquisition of Rofin by Coherent was completed. From December 2005 to July 2015 Mr. Merk was the Chief Operating Officer of the Rofin Micro and Marking Business and a Managing Director of Carl Baasel Lasertechnik GmbH & Co. KG. from May 2000 to November 2016. He started his career in 1989 at Boehringer Werkzeugmaschinen Vertriebs GmbH, a machine tool company, and remained there until 2000, most recently serving as managing director. Mr. Merk holds a Master’s Degree in mechanical engineering from the Technical University of Stuttgart, Germany.


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