Advanced Energy Officers & Board of Directors

OFFICERS & BOARD

Executive Officers

Garry W. Rogerson
Chief Executive Officer

Garry W. Rogerson joined Advanced Energy in August 2011 as chief executive officer and board member. Mr. Rogerson was chairman and chief executive officer of Varian, Inc., a major supplier of scientific instruments and consumable laboratory supplies, vacuum products, and services, from 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 honors degree and Ph.D. in biochemistry from the University of Kent at Canterbury. Mr. Rogerson is also the chairman of Coherent, Inc., a position he has held since 2007.

Yuval Wasserman
President, AE Thin Films

Yuval Wasserman joined Advanced Energy in August 2007 as senior vice president, sales, marketing, and service. In October 2007, he was promoted to executive vice president, sales, marketing, and service. In April 2009, he was promoted to executive vice president and chief operating officer of the company, and then in August 2011, he was promoted to president of the thin films business unit. Beginning in May 2002, Mr. Wasserman served as the president and later as chief executive officer of Tevet Process Control Technologies, Inc., a semiconductor metrology company, until July 2007. Prior to that, he held senior executive and general management positions at Boxer Cross (a metrology company acquired by Applied Materials, Inc.), Fusion Systems (a plasma strip company that is a division of Axcelis Technologies, Inc.), and AG Associates (a semiconductor capital equipment company focused on rapid thermal processing). Mr. Wasserman started his career at National Semiconductor, Inc., where he held various process engineering and management positions.

Mr. Wasserman joined the board of Syncroness, Inc., an outsourced engineering and product development company in 2010.

Gordon Tredger
President, AE Solar Energy

Gordon Tredger joined Advanced Energy in December 2011, bringing nearly 25 years of technology management experience to the Solar Energy division. He served most recently as executive vice president of operations at the Chemical Analysis Division of Bruker Daltonics, a leading provider of high-performance scientific instruments and solutions, and as vice president of analytical instruments at Varian Inc., a leading worldwide supplier of scientific instrumentation.

Mr. Tredger held prior executive roles at Argonaut Technologies, Perkin-Elmer Instruments, and Photovac (acquired by Perkin-Elmer).

Mr. Tredger received a Bachelor of Arts degree from the University of Toronto in Ontario, Canada.

Danny Herron
Executive Vice President and Chief Financial Officer

Danny C. Herron joined Advanced Energy in September 2010 as executive vice president and chief financial officer. He was chief financial officer of Sundrop Fuels, Inc., a solar gasification-based renewable fuels company, from October 2009 through August 2010. From May 2009 through October 2009, Mr. Herron was a consultant at Tatum LLC, a financial consulting business, providing interim chief financial officer and financial consulting services. Mr. Herron served VeraSun Energy Corporation, a corn-based ethanol company, from 2006 through 2008 first as senior vice president and chief financial officer and later as president and chief financial officer. From 2002 through 2006, Mr. Herron was executive vice president and chief financial officer at Swift & Company, a beef and pork producer acquired from Conagra Foods, Inc. Prior to that, Mr. Herron served as division chief financial officer of Conagra Foods, Inc., Beef Division.

Tom McGimpsey
Executive Vice President, Corporate Development and General Counsel

Tom McGimpsey joined Advanced Energy in April 2009 as vice president and general counsel and was promoted to executive vice president of corporate development and general counsel in August 2011. From February 2008 to April 2009, Mr. McGimpsey held the position of vice president of operations for First Data Corporation. During 2007, Mr. McGimpsey was a consultant & legal advisor to various companies. From July 2000 to January 2007, Mr. McGimpsey held various positions with McDATA Corporation such as executive vice president of business development & chief legal officer, senior vice president & general counsel, and vice president of corporate development. From February 1998 to its sale in June 2000, Mr. McGimpsey held the position of director and senior corporate attorney at US WEST, Inc. From 1991 to 1998, Mr. McGimpsey was in private practice at national law firms. From 1984 to 1988, Mr. McGimpsey was a senior engineer for Software Technology, Inc.

Mr. McGimpsey received his Master of Business Administration degree from Colorado State University (with honors) in 2008, his Juris Doctor degree from the University of Colorado in 1991, and his Bachelor of Science degree in computer science (with a minor in electrical systems) from Embry-Riddle Aeronautical University.

Randall S. Hester
Executive Vice President, Human Resources

Randall S. Hester joined Advanced Energy in 2009 as its vice president of human resources. Mr. Hester has over 25 years of experience managing human resources functions in international telecommunications companies such as Level 3 Communications and MFS Communications, as well as in manufacturing with Kärcher, Lindsay Corporation, and Zenith Electronics.

Over his career, Mr. Hester has led all phases of the human resources function, including HR strategy, executive coaching, employee relations, talent acquisition & management, compensation & benefits, human resource information systems, international assignments, mergers & acquisitions, training, and organizational development. He holds a Bachelor of Science degree from the University of Iowa and a Master of Science degree in human resource management from Loyola University – Chicago.

Board of Directors

NAME	AGE	DIRECTOR SINCE
Douglas S. Schatz »	65	1981
Douglas S. Schatz is a co-founder of Advanced Energy and has been its Chairman since its incorporation in 1981. From 1981 through July 2005, Mr. Schatz also served as our Chief Executive Officer. From 1981 through July 1999 and from March 2001 through July 2005, he also served as our President. Mr. Schatz is chairman of the board of Abound Solar (fka AVA Solar), a thin-film solar panel manufacturer, and served as interim CEO of Abound from June 2009 to January 2010. Mr. Schatz is currently on the boards of several additional private companies and organizations, both for-profit and non-profit.
Frederick A. Ball » (1)	48	2008
Frederick A. Ball is the Chief Financial Officer of Webroot Software, a leading provider of software security solutions, a position he has held since June 2008. From August 2004 to November 2007, Mr. Ball was the Senior Vice President and Chief Financial Officer of BigBand Networks, a provider of digital video networking platforms. From September 2003 until May 2004, Mr. Ball served as Chief Operating Officer of CallTrex Corporation, a provider of customer service solutions. Prior to his employment with CallTrex, he was employed with Borland Software Corporation, a provider of enterprise software development solutions, from September 1999 until July 2003. Prior to his employment with Borland, Mr. Ball served as Vice President, Mergers and Acquisitions for KLA-Tencor, a supplier of process control and yield management solutions for the semiconductor and related microelectronics industries, and prior to that as its Vice President of Finance. Mr. Ball was an accountant with PriceWaterhouseCoopers for over 10 years. Mr. Ball has been a director of Electro Scientific Industries, Inc. since 2003 and is a member of its audit committee.
Richard P. Beck » (1,2)	77	1995
Richard P. Beck joined Advanced Energy in March 1992 as Vice President and Chief Financial Officer and became Senior Vice President in February 1998. In October 2001, Mr. Beck retired from the position of Chief Financial Officer, but remained as a Senior Vice President of the Company until May 2002. Mr. Beck was chairman of the board of Applied Films Corporation, a publicly held manufacturer of flat panel display equipment, until August 2006 when it was acquired by Applied Materials, and he had served on Applied Films’ audit and nominating and governance committees. He has been a director of TTM Technologies, Inc., a publicly held manufacturer of printed circuit boards, since 2001. He serves as a member of TTM Technologies’ nominating and governance committee and is chairman of its audit committee. Mr. Beck is a director of SemiLEDS, Inc., a publicly held manufacturer of LED chips, and is the chairman of its audit committee and chairman of its nominating and governance committee. Mr. Beck was a director of Photon Dynamics, Inc., a publicly held manufacturer of semiconductor test equipment, from September 2000 to October 2004 and was chairman of its audit committee.
Trung T. Doan » (1,3)	52	2005
Trung T. Doan re-joined the Board of Directors of Advanced Energy in November 2005. He had previously served on the Board from July 2000 to January 2004. Mr. Doan is the chairman and chief executive officer of SemiLEDs Corporation, a manufacturer of high-brightness light emitting diodes. Prior to founding SemiLEDs in 2005, Mr. Doan was the corporate vice president of the Applied Global Services product group at Applied Materials, a semiconductor equipment company. Prior to Applied Materials, Mr. Doan held various management and executive positions at a number of technology companies, including Intel Corp., Honeywell International, Micron Technology, Inc. where he had worked from 1988 to 2003 and last held the position of Vice President of Process Development, and Jusung Engineering, Inc., a semiconductor and LCD equipment company based in Korea.
Edward C. Grady » (2,3)	63	2008
Edward C. Grady has been consulting on a part-time basis as Chairman & CEO of REEL Solar, Inc., an early stage privately funded company, since May 2010. Mr. Grady retired in October 2007, from his position as President and Chief Executive Officer of Brooks Automation, a provider of automation solutions to the global semiconductor and other complex manufacturing industries, including clean tech and data storage. Prior to joining Brooks Automation in February 2003, he ran multiple divisions at KLA-Tencor and had served as Chief Executive Officer of Hoya Micro Mask Inc., a supplier of photo masks and services to the semiconductor industry. Mr. Grady began his career as an engineer for Monsanto/MEMC and, during his 14 years with the company, rose to the position of Vice President of Worldwide Sales for EPI, a division of MEMC. Mr. Grady currently serves on the boards of directors of the following publicly held companies: Evergreen Solar, Inc., a developer and manufacturer of solar panels and other solar energy products; Verigy Ltd., a provider of automated test systems for the semiconductor industry; and Electro Scientific Industries, Inc., a supplier of production equipment for micro-engineering applications. Mr. Grady also served on the board of directors of Brooks Automation from February 2003 to March 2008.
Terry Hudgens » (2,3)	56	2010
Terry Hudgens has been a special advisor to Iberdrola Renewables, Inc., a leading provider of renewable energy, since November 2008. From April 2007 until his retirement in November 2008, Mr. Hudgens served as president and chief executive officer of Iberdrola Renewables’ U.S. and Canadian energy businesses. Mr. Hudgens joined Iberdrola in connection with Iberdrola’s acquisition of PPM Energy, the U.S. subsidiary of Scottish Power plc, an electricity distributor and wind power producer, where he had served as President and Chief Executive Officer since May 2001. Prior to joining PPM Energy, Mr. Hudgens served in various management and operations positions with a number of utilities and energy companies, including PacifiCorp and Texaco Inc.
Thomas M. Rohrs » (1,3)	60	2006
Thomas M. Rohrs has been the Chief Executive Officer of Skyline Solar since June 2010. Mr. Rohrs had been an advisor and consultant to a number of companies, both public and private, including renewable energy companies from February 2009 to June 2010. From April 2006 to February 2009, Mr. Rohrs served as Chief Executive Officer and Chairman of the Board of Electroglas, Inc., a supplier of wafer probers and software solutions for the semiconductor industry. In July 2009, Electroglas filed a voluntary petition under Chapter 11 of the U.S. Bankruptcy Code, citing the dramatic decline in semiconductor manufacturing equipment resulting from the global economic recession. In August 2009, Mr. Rohrs began serving as Interim Chief Executive Officer of Electroglas, which subsequently has sold substantially all of its assets. From December 2004 to March 2011, Mr. Rohrs served as a director of Electroglas. From 1997 to 2002, Mr. Rohrs was with Applied Materials, Inc., a semiconductor equipment company, most recently as Senior Vice President of Global Operations, and served as a member of Applied’s executive committee. Mr. Rohrs serves on the board of directors of Magma Design Automation, Inc., an electronic design automation software and design services company, Vignani Technologies Pvt. LTd., a engineering services company and Intevac, Inc., a leading supplier of magnetic media processing systems and Seque Manufacturing Services, a private manufacturing services company. Mr. Rohrs served on the board of directors of Ultra Clean Holdings, Inc. from 2003 to 2008 and was a member of its compensation and nominating committees. Mr. Rohrs served as a director of Ion Systems, Inc., an electrostatic control company, from 2003 until January 2006 when Ion Systems was sold.
Garry Rogerson » (1,3)	58	2011
Garry Rogerson joined Advanced Energy as CEO in August 2011. He has been the Chairman of the Board of Coherent, Inc. since June 2007. Mr. Rogerson 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 honors degree and PhD in biochemistry from the University of Kent at Canterbury.

(1) Member of the Audit and Finance Committee.
(2) Member of the Nominating and Governance Committee.
(3) Member of the Compensation Committee.