Jong S. Whang

Executive Chairman

Jong S. Whang is the founder and Executive Chairman of Amtech and has held various roles including President and Chief Executive Officer since its inception in 1981. Mr. Whang's responsibilities include strategy and business opportunities in the power semiconductor industry. He has 47 years of experience in the semiconductor industry, including time spent in both processing and manufacturing of equipment components and systems. From 1973 until 1979, he was employed by Siltronics, Inc., initially as a technician working with chemical vapor deposition (SiC), and later as manager of the quartz fabrication plant with responsibility of providing technical marketing support. From 1979 until 1981, he was employed by U.S. Quartz, Inc. as manufacturing manager. In 1981, he left U.S. Quartz to form the Company.

Michael Whang

Chief Executive Officer & Director

Mr. Michael Whang joined the Company in April 2004 as Director of Information Technology and Risk Management. In May 2016, Michael Whang was promoted to Chief Risk Officer and Chief Information Officer. He was promoted to Vice President of Operations on January 4, 2018 and to Vice President and Chief Operating Officer on March 6, 2019. He was promoted to Chief Executive Officer on January 28, 2020 and appointed to the Board of Directors on May 5, 2020. His responsibilities at Amtech include roles in corporate strategy and operations, compliance, and M&A due diligence and post-acquisition activity, culminating in operational oversight of the USA Operations. Prior to joining Amtech, Michael Whang served in various information technology management roles at several technology companies. Michael Whang is the son of Jong S. Whang, Amtech's founder and Executive Chairman.

Lisa Gibbs

Chief Financial Officer & Director

Lisa Gibbs joined Amtech in September 2016 as Corporate Controller and was promoted to Vice President and Chief Accounting Officer on January 4, 2018. Ms. Gibbs was promoted to Vice President and Chief Financial Officer on March 6, 2019 and appointed to the Board of Directors on May 5, 2020. Her responsibilities at Amtech include oversight of the financial reporting and finance functions, compliance and human resources, investor relations and strategy development.  Prior to joining Amtech, Ms. Gibbs was a partner in a private consulting firm where she assisted clients with a variety of accounting and finance needs. From 2002 to 2014, Ms. Gibbs was the Vice President of Internal Audit for Insight Enterprises, Inc, a Fortune 500 publicly-traded information technology company. Ms. Gibbs began her career in public accounting with Arthur Andersen LLP. She is a Certified Public Accountant in the State of Arizona.

Michael Garnreiter


Michael Garnreiter has been a Director since February 2007 and was appointed Lead Independent Director in May 2020. He retired in December 2015 as Vice President of Finance and Treasurer of Shamrock Foods, a privately-held manufacturer and distributor of foods and food-related products.  From January 2010 until August 2012, Mr. Garnreiter was a managing director of Fenix Financial Forensics, a Phoenix-based litigation and financial consulting firm. From August 2006 until January 2010, he was a managing member of Rising Sun Restaurant Group LLC, and, from December 2008 until December 2009, he was president of New Era Restaurants, LLC, both of which are privately-held restaurant operating companies. From 2002 to 2006, Mr. Garnreiter was CFO of Main Street Restaurant Group, a publicly-traded restaurant operating company, and from 1976 to 2002, he was a senior audit partner of Arthur Andersen LLP. Mr. Garnreiter serves on the boards of directors of Axon Enterprise, Inc. (as Chairman), a publicly-traded manufacturer of non-lethal protection devices, Knight-Swift Transportation Holdings Inc., a publicly-traded nationwide truckload transportation company, and Banner Health, a multi-state health care delivery system. He graduated from California State University Long Beach with a Bachelor of Science in Accounting and Business Administration. Mr. Garnreiter is a Certified Public Accountant and Certified Fraud Examiner.

Robert M. Averick


Robert M. Averick has over 15 years of experience as a small-capitalization, value-driven public equity portfolio manager. His previous work experience includes positions of increasing responsibility within structured finance, strategic planning and consulting. Mr. Averick received an undergraduate degree in Economics from The University of Virginia and a Master’s in Business Administration in Finance from The University of Pennsylvania, The Wharton School of Business. He previously served on the Company’s Board during the years 2005 and 2006.  Mr. Averick also serves on the board of directors of Gulf Island Fabrication, Inc., a publicly-traded fabricator of complex steel structures, modules and marine vessels.

Robert F. King


Robert F. King has been a Director of the Company since May 2003. Since 1989, Mr. King has been President of King Associates, which provides consulting services to equipment companies serving the solar, semiconductor and flat panel display industries. From 1968 to 1988, Mr. King was employed at Varian Associates, where he served in various marketing positions, including Vice President of Marketing for the Semiconductor Equipment Division. Mr. King also served on the Board of Directors of Varian’s joint venture semiconductor equipment companies located in Korea and Japan.

Sukesh Mohan


Sukesh Mohan has been a Director since April 2015. He is currently Vice President and Co-Founder of El Camino Technologies, LLC, a software services company that manages online content for leading internet companies. Prior to this, Mr. Mohan was Director of Product Management, Etch Products Division, of Applied Materials, Inc. ("Applied"), a global leader in semiconductor and solar equipment. He held various product management and marketing positions at Applied from 1995 to 2009. From 1989 to 1995, Mr. Mohan was the International Marketing Manager for Amtech, responsible for market development in Asia and India. He received his MBA from the University of Pittsburgh and graduated from the Indian Institute of Technology with a Bachelor of Technology.