Board of Directors
Thomas St. Dennis
Chairperson of the Board of Directors
Thomas St. Dennis has served as a director since September 2010. Mr. St. Dennis served as our Executive Chairperson of the Board of Directors from October 23, 2013 until February 2016, after which he has served as the Chairperson of the Board of Directors. Mr. St. Dennis served as our Chief Executive Officer from September 2010 through December 2014. Mr. St. Dennis previously held various positions at Applied Materials from 1992 to 1999 and again from 2005 to 2009. His most recent role at Applied was the Senior Vice President and General Manager of the Silicon Systems Group. He also worked at Novellus Systems as the Executive Vice President of Sales and Marketing from 2003 to 2005. From 1999 to 2003 Mr. St. Dennis was the President and CEO of Wind River Systems. Mr. St. Dennis holds a B.S. in Physics and a M.S in Physics, both from University of California, Los Angeles.
President & Chief Executive Officer
Mike Slessor has served as CEO since January, 2015 and as President since October, 2013. Prior to this, Mike served as the Sr. VP & General Manager, MicroProbe Product Group from October 2012 to October, 2013. Also, before joining FormFactor, Mike was the President and Chief Executive Officer of MicroProbe from July 2008 through the October 2012 closing of FormFactor’s acquisition of MicroProbe. Prior to joining MicroProbe, Mike held various management, product-marketing, and applications-engineering positions in the semiconductor industry, most notably with KLA-Tencor, where he led marketing and applications for the company’s fastest growing division.
Dr. Slessor received his Ph.D. in Aeronautics and Physics from Caltech and his B.A.Sc. in Engineering Physics (First Class Honors) from the University of British Columbia.
Lothar Maier has served as a Director since November 2006. Mr. Maier served as the Chief Executive Officer and a member of the board of directors of Linear Technology Corporation, a supplier of high performance analog integrated circuits, from January 2005 to March 2017. Prior to that, Mr. Maier served as Linear Technology’s Chief Operating Officer from April 1999 to December 2004. Before joining Linear Technology, Mr. Maier held various management positions at Cypress Semiconductor Corporation, a provider of high-performance, mixed-signal, programmable solutions, from 1983 to 1999, most recently as Senior Vice President and Executive Vice President of Worldwide Operations. Mr. Maier holds a B.S. in chemical engineering from the University of California at Berkeley.
Rebeca Obregon-Jimenez has served as a Director since September 2019. Ms. Obregon-Jimenez currently serves as Senior Vice President, Strategic Business Engagements and Supplier Management at Avnet, a global leader of the design, supply and delivery of electronic components. Prior to that Ms. Obregon-Jimenez served as Corporate Vice President of the Advanced System in Package Business Unit for Amkor Technology, Inc., one of the world’s largest providers of outsourced semiconductor packaging and test services. From 2014 to 2019, Ms. Obregon-Jimenez served at Amkor as a Corporate Vice President of Sales, and as a Senior Vice President in sales, strategic program management, and in operations finance. From 1999 to 2014, Ms. Obregon-Jimenez held executive and senior management positions at Integrated Device Technology, Inc., and Integrated Circuit Systems, Inc., in test operations, test engineering and product engineering. From 1990 to 1999, she served in the Semiconductor Products Sector of Motorola, where she held roles of increasing responsibility in a variety of engineering positions. Ms. Obregon-Jimenez earned her B.S. in electrical engineering from Arizona State University and her M.S. in electrical engineering from the National Technological University.
Sheri Rhodes has served as a Director since December 2019. Ms. Rhodes currently serves as Chief Customer Officer at Workday, Inc., a leading provider of enterprise cloud applications for finance, human resources and planning, a role she has held since February 2022. From April 2019 to February 2022, Ms. Rhodes held the role of Chief Information Officer. Prior to joining Workday, Ms. Rhodes served as Chief Technology Officer at Western Union from 2017 to 2019. Ms. Rhodes served as the Chief Information Officer at Electronics for Imaging from 2015 to 2017. Ms. Rhodes also held roles of increasing responsibility at Symantec from 2009 to 2015, including as Vice President of Global Applications from 2012 to 2015. Ms. Rhodes held management positions at Providian Financial Corporation and its successor Washington Mutual from 1999 to 2008, including as a First Vice President from 2005 to 2008. From 1990 to 1999, Ms. Rhodes held management positions at KMPG and Wells Fargo. Ms. Rhodes earned a B.S. in Business Administration and an M.B.A. from San Diego State University.
Kelley Steven-Waiss has served as a Director since August 2015. Ms. Steven-Waiss currently serves as the Chief Transformation Officer of ServiceNow, a software company that develops a cloud computing platform to help companies manage digital workflows for enterprise operations. From June 2022 to March 2023, Ms. Steven-Waiss served as the Head of Workforce Innovation Products at ServiceNow after Hitch Works, Inc., the company founded and led by Ms. Steven-Waiss, acquired by ServiceNow. Prior to the acquisition, from July 2020 to June 2022, Ms. Steven-Waiss served as the Founder and CEO, as well as Executive Chairman of Hitch Works Inc., a SaaS-based enterprise talent mobility platform. Prior to that, Ms. Steven-Waiss served as the Chief Innovation Officer and Human Resources Officer at HERE Technologies Global B.V., a software location intelligence company. She previously served as the Executive Vice President and Chief Human Resources Officer of Extreme Networks, Inc., a software and services-led networking solutions company. Ms. Steven-Waiss also served as the Vice President of Worldwide Human Resources for Integrated Device Technology, Inc., from 2009 through 2012, and prior to that, as the Vice President of Worldwide Human Resources for PMC-Sierra, Inc. Ms. Steven-Waiss also serves as the Chair of the Advisory Board for the Silicon Valley Education Foundation. She earned her M.A. in human resources and organization development from the University of San Francisco and a B.A. in journalism from the University of Arizona.
Mr. Titinger has served as a Director since June 2021. Mr. Titinger is Founder and CEO of Titinger Consulting, a firm focused on providing strategy, corporate transformation, and culture advice to its clients. Prior to that Mr. Titinger was President, Chief Executive Officer and served as a Director of SGI from February 2012 to November 2016. Mr. Titinger also served as President, Chief Executive Officer and Director of Verigy Ltd. in 2011 and held other senior executive roles from 2008 to 2011. Prior to Verigy, he held senior executive positions with FormFactor, Inc., KLA-Tencor Corporation and Applied Materials. Mr. Titinger served as a Director of Xcerra Corporation from 2012 until it was acquired by Cohu in 2018 where he served as a Director until May 2021. He also currently serves as a Director of Axcelis Technologies, Inc., a position he has held since August of 2019, and as a Director of CalAmp Corp., a position he has held since June 2015. Mr. Titinger holds a Bachelor of Science in Electrical Engineering, a Master of Science in Electrical Engineering, and a Master of Science in Engineering Management from Stanford University.
Mr. White has served as a Director since September 2022. Mr. White currently serves as the Chief Financial Officer for Ambarella, Inc., a system-on-chip (SoC) semiconductor company providing low-power AI vision processors for edge applications. Mr. White served as the Chief Financial Officer for Maxim Integrated, a diversified analog/mixed-signal semiconductor chip company, from August 2019 to August 2021 when Maxim Integrated was acquired by Analog Devices, Inc. From September 2013 to March 2019, Mr. White served as the Chief Financial Officer for Integrated Device Technology, Inc (IDT). Mr. White also served as the Vice President of Finance & Treasurer at IDT, from 2007 to 2013. Prior to that, Mr. White held a variety of financial and operational management positions at companies such as Nvidia, Hitachi GST, IBM, and Deloitte. Mr. White earned a B.A. in Business Administration from Seattle University and an M.B.A. from the University of Notre Dame. He is also a licensed Certified Public Accountant.
Edward Rogas, Jr.
Edward Rogas, Jr. served as a Director from October 2010 to May 2021. Mr. Rogas previously served as a director of Vitesse Semiconductor Corporation, a fabless semiconductor company; Vignani Technologies Pvt Ltd., an engineering services company; and Photon Dynamics, Inc., an electronic communications equipment company. Mr. Rogas held management positions at Teradyne, Inc., a developer and supplier of automatic test equipment, for over 29 years, including serving as a Senior Vice President. Mr. Rogas holds a B.S. from the United States Naval Academy and an M.B.A. degree from Harvard Business School.