About Us

Timothy M. Archer has been our president and chief executive officer since December 2018. Prior to this, he served as our president and chief operating officer, from January 2018 to November 2018. Mr. Archer joined us in June 2012 as our executive vice president, chief operating officer. Prior to joining us, he spent 18 years at Novellus Systems, Inc. (“Novellus”) in various technology development and business leadership roles, including most recently as chief operating officer from January 2011 to June 2012; executive vice president of Worldwide Sales, Marketing, and Customer Satisfaction from September 2009 to January 2011; and executive vice president of the PECVD and Electrofill Business Units from November 2008 to September 2009. His tenure at Novellus also included assignments as senior director of technology for Novellus Systems Japan from 1999 to 2001 and senior director of technology for the Electrofill Business Unit from April 2001 to April 2002. He started his career in 1989 at Tektronix, where he was responsible for process development for high-speed bipolar ICs. Mr. Archer serves as chairman of the board for the National GEM Consortium, a nonprofit organization that is dedicated to increasing the participation of underrepresented groups at the master’s and doctoral levels in engineering and science. Mr. Archer completed the Program for Management Development at the Harvard Graduate School of Business and earned a B.S. degree in applied physics from the California Institute of Technology.

Douglas R. Bettinger is our executive vice president, chief financial officer, and chief accounting officer with responsibility for Finance, Tax, Treasury, Information Technology, and Investor Relations. Prior to joining the Company in 2013, Mr. Bettinger served as senior vice president and chief financial officer of Avago Technologies from 2008 to 2013. From 2007 to 2008, he served as vice president of Finance and corporate controller at Xilinx, Inc., and from 2004 to 2007, he was chief financial officer at 24/7 Customer, a privately held company. Mr. Bettinger worked at Intel Corporation from 1993 to 2004, where he held several senior-level finance positions, including corporate planning and reporting controller and Malaysia site operations controller. Mr. Bettinger earned an M.B.A. degree in finance from the University of Michigan and a B.S. degree in economics from the University of Wisconsin in Madison.

Audrey Charles is our senior vice president of strategic planning and marketing. In this position, held since August 2020, she is responsible for aligning and driving our strategic priorities across the company in support of the company’s long term growth plan. Audrey ensures our strategic priorities, their execution and our strategic marketing activities are accelerators for performance by driving alignment, clarity and execution in the organization. Previously, she had been our senior vice president of Global Human Resources since February 2017. Ms. Charles has also served as vice president of corporate initiatives and chief of staff to the chief executive officer since September 2015. She has been with us since 1995 and has a broad base of experience, including engineering, marketing, customer management, and investor relations. Ms. Charles earned an M.B.A. from the MIT Sloan School of Management and a B.S. in applied physics from Dublin City University.

Tina Correia is our corporate vice president, Investor Relations and Corporate Finance, a position she has held since April 2020. Previously, she led Investor Relations and Corporate Communications since September 2018 and was vice president, chief of staff–office of the CEO of Lam Research from April 2017 to September 2018. From August 2010 to April 2017, Ms. Correia was the vice president of business finance, where she led corporate financial planning and oversaw the finance functions for Lam’s business units. Preceding the vice president of business finance position, she served in various finance positions since joining the company in 2002, including corporate planning and analysis director, global operations controller, and assistant corporate controller. Prior to joining Lam, Ms. Correia was at BroadVision, Inc. from 1999 to 2002, where she held several senior-level finance positions, most recently as vice president and corporate controller. From 1992 to 1999, she was in the assurance practice at KPMG, LLP, where she had a focus on high-technology clients. She earned her B.S. degree in business administration with emphases in accounting and finance from the University of California at Berkeley.

Richard A. Gottscho is our executive vice president, chief technology officer, a position he has held since May 2017. Dr. Gottscho previously served as executive vice president, Global Products Group beginning in August 2010; and group vice president and general manager, Etch Businesses beginning in March 2007. He joined us in January 1996 and has held various director and vice president roles spanning across deposition, etch, and clean products. Prior to joining us, he was a member of Bell Laboratories for 15 years, where he headed research departments in electronics materials, electronics packaging, and flat panel displays. In 2016, Dr. Gottscho was elected to the U.S. National Academy of Engineering. He is the recipient of many awards, including the American Vacuum Society’s Peter Mark Memorial Award, the Plasma Science and Technology Division Prize, the Dry Process Symposium Nishizawa Award, and the Tegal Thinker Award. He is a fellow of the American Physical and American Vacuum Societies. He has authored numerous papers, patents, and lectures, and has served on editorial boards of peer-reviewed technical publications and program committees for major conferences in plasma science and engineering. He served as vice-chair of a National Research Council study on plasma science. Dr. Gottscho earned Ph.D. and B.S. degrees in physical chemistry from the Massachusetts Institute of Technology and Pennsylvania State University, respectively.

Ava Hahn is our senior vice president, chief legal officer. She joined us in January 2020 and is responsible for global legal matters. Prior to joining us, Ms. Hahn served as executive vice president, chief compliance officer, general counsel and secretary of CA Technologies from February 2019 to November 2019 (until its acquisition by Broadcom Corp.), general counsel and secretary of Aruba Networks from April 2013 to June 2016 (until its acquisition by Hewlett Packard Enterprise), general counsel and secretary of ShoreTel, Inc. from 2007 to 2013, and general counsel and secretary of Genesis Microchip from 2002 to 2007. Ms. Hahn also served as general counsel of venture capital firms Kleiner Perkins and Felicis Ventures. She started her career at the law firm of Wilson Sonsini Goodrich & Rosati, where she practiced corporate and securities law. Ms. Hahn earned a J.D. from Columbia Law School and a B.A. in history from the University of California, Berkeley.

Mary Hassett is our chief human resources officer. She joined us in August 2020 and is responsible for leading our global HR organization. In this role, Mary is charged with aligning our valued people resources to our strategic priorities with a strong focus on leadership development, employee engagement and company culture. Previously, Ms. Hassett spent nearly 25 years at Hewlett Packard Enterprise in various HR leadership roles, most recently as senior vice president of Human Resources for the Hybrid IT organization beginning in November 2018. Prior to that, she was the vice president HR for HPE Pointnext Global Services. She worked in Asia from 2011 to 2018 in various roles including vice president HR, Asia Pacific and Japan, Global Sales; and vice president HR, Global Operations. Her tenure at Hewlett Packard Enterprise also included assignments in the Inkjet Products Business and the worldwide finance organization. Ms. Hassett earned a bachelor of business studies (B.B.S.) and French with HR at the University of Limerick, Ireland.

Rob Hawthorne is our chief information officer, a position he has held since February 2019 in which he is responsible for IT strategy, service delivery, and business partnering. Prior to joining us, Mr. Hawthorne spent 18 years at Jabil, Inc. in various IT leadership roles, including most recently as chief information officer of the Electronic Manufacturing Services Division from December 2014 to January 2019; chief information officer of the Green Point Division from June 2013 to December 2014; and vice president of IT Business Systems from January 2010 to June 2013. His tenure at Jabil also included assignments as senior director of business systems from 2007-2010 and director of business systems from 2006-2007. Mr. Hawthorne earned his M.B.A. degree in corporate finance and marketing and a B.S. degree in business administration and management from University at Buffalo, The State University of New York.

Patrick J. Lord is our executive vice president of the Customer Support Business Group (CSBG) and Global Operations, a position he has held since September 2020. Dr. Lord was senior vice president and general manager of CSBG from December 2016 to September 2020. Prior to that, Dr. Lord held the position of group vice president and deputy general manager of the Global Products Group from September 2013 to December 2016. He served as the head of the Direct Metals, GapFill, Surface Integrity Group, and Integrated Metals (“DGSI”) Business Units between June 2012 and September 2013. Prior to our acquisition of Novellus in June 2012, Dr. Lord was senior vice president and general manager of the DGSI Business Units at Novellus. Additionally, Dr. Lord held the position of senior vice president of Business Development and Strategic Planning. He joined Novellus in 2001 and held a number of other positions, including senior vice president and general manager of the CMP Business Unit, senior director of Business Development, senior director of Strategic Marketing, and acting vice president of Corporate Marketing. Before joining Novellus, Dr. Lord spent six years at KLA-Tencor in various product marketing and management roles. He earned his Ph.D., M.S., and B.S. degrees in mechanical engineering from the Massachusetts Institute of Technology.

Stacey MacNeil is our chief communications officer, responsible for branding; media relations; global employee communications; corporate and digital marketing; environmental, social, and governance; and community engagement. Prior to joining us, Ms. MacNeil served as chief communications officer at Collins Aerospace from December 2018 to April 2020. Before that, she was vice president of communications at UTC Aerospace Systems from November 2015 to November 2018. From January 2005 to October 2015, she held a variety of positions at Hewlett-Packard Co., including vice president of Employee Communications. She began her professional career in radio and television broadcasting, followed by several years in the telecom industry, holding leadership positions in corporate brand strategy, advertising and marketing; product management, market research and strategic planning; and media and analyst relations. Ms. MacNeil earned a bachelor of Commerce degree from Saint Mary’s University (Halifax, Nova Scotia).

Scott G. Meikle is our senior vice president of Global Customer Operations, a position he has held since September 2017. Before joining us, he was an independent consultant for a year and director, special projects at Micron Technology, Inc. for seven months. Prior to that time, he spent over five and a half years at Inotera Memories, Inc., most recently as its president from August 2012 to December 2015. Dr. Meikle started his career in process R&D and advanced to various leadership roles in business operations across multiple geographies for Micron Technology, and has over 25 years of experience in the memory devices sector of the semiconductor industry. He earned his Ph.D. and M. Eng. degrees in engineering physics from Shizuoka University and McMaster University, respectively, and a B.S. degree in physics from the University of Calgary.

Karsten Theess is our corporate vice president of business operations and transformation, a position he has held since June 2018. He is also responsible for business resilience and cybersecurity. Prior to his current role, he was vice president of pilot operations since July 2013. Previously, Mr. Theess had been operations executive of our wet clean products in Villach, Austria, beginning in 2010, and operations executive of our Customer Support Business Group at our corporate headquarters in Fremont, California. He joined us in 1997. He earned his M.Sc. degree in electrical engineering and business from Helmut-Schmidt University.

Vahid Vahedi is our senior vice president and general manager of the Etch Business Unit, a position he has held since February 2018. Prior to that time, he was group vice president of the Etch product group since March 2012. Previously, he served as vice president of Etch Business Product Management and Marketing, vice president of Dielectric Etch, vice president of Conductor and 3DIC Etch, and director of Conductor Etch Technology Development. He joined us in 1995. He earned his Ph.D., M.S., and B.S. degrees in electrical engineering and computer science from the University of California at Berkeley.

Sesha Varadarajan is our senior vice president and general manager of the Deposition Business Unit, a position he has held since February 2018. Prior that time, he was group vice president of the Deposition product group since September 2013. Previously, he served as the head of the PECVD/Electrofill Business Unit between June 2012 and September 2013. Prior to our acquisition of Novellus in June 2012, Mr. Varadarajan was senior vice president and general manager of Novellus’ PECVD and Electrofill Business Units. He joined Novellus in 1999 as a process engineer with the Electrofill Business Unit and held various roles in that business unit before being appointed director of technology in 2004. Between 2006 and 2008, he worked in the PECVD Business Unit, initially as director of technology, until being promoted to product general manager. In 2009, he returned to the Electrofill Business Unit as vice president and general manager. In mid-2011, he was promoted to senior vice president and general manager, where he was also responsible for the PECVD Business Unit. Mr. Varadarajan earned an M.S. degree in manufacturing engineering and material science from Boston University and a B.S. degree in mechanical engineering from the University of Mysore.