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.

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.

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.

Rebeca Obregon has served as a Director since September 2019. Ms. Obregon currently serves as President of Farnell, an Avnet Company. Farnell is a high-service electronics components distributor with a comprehensive portfolio of products and supported by an international supply chain. In her new role, Ms. Obregon also has responsibility for Avnet’s Integrated Solutions group, helping to bring innovative IP to market on world-class technologies through IT systems integration and services globally. Her previous position within Avnet was Senior Vice President of Strategic Business Engagements and Supplier Management. She also oversaw supplier management for the Interconnect, Passive & Electromechanical (IP&E) business and drove strategy, mergers and acquisitions across the organization.

With more than 30 years of experience in the semiconductor industry, Ms. Obregon has built and grown teams and businesses from inception to profitable worldwide market leaders. Before joining Avnet, she served as a corporate vice president at Amkor Technology. She also held a variety of strategy, management, operations and engineering roles at IDT and Motorola.

Ms. Obregon earned a bachelor’s degree in electrical engineering from Arizona State University and a master’s degree 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.

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 served as the Chief Financial Officer for Ambarella, a system-on-chip (SoC) provider of low-power AI vision processors, from March 2022 to February 2024. Mr. White served as the Chief Financial Officer for Maxim Integrated, a supplier of high performance analog/mixed-signal semiconductor solutions, from August 2019 to August 2021. From September 2013 to March 2019, Mr. White served as the Chief Financial Officer for Integrated Device Technology (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 and a Certified Financial Planner.

Mr. Brewer joins the FormFactor Board of Directors with over 40 years of experience in the semiconductor and high-tech industries.  Mr. Brewer served as the Chief Financial Officer and Executive Vice President of Global Operations for Axcelis Technologies, Inc. (“Axcelis”), a world-leading provider of equipment and services to the semiconductor manufacturing industry, from September 2013 until September of 2023, and had previously served in several other senior level positions at Axcelis since 1999, including Executive Vice President, Global Operations and Senior Vice President, Manufacturing Operations. Prior to joining Axcelis, Mr. Brewer held a variety of management positions at Raytheon Company.

Mr. Brewer holds a Bachelor of Science in Mechanical Engineering Technology from the University of Massachusetts, Dartmouth and a Master of Business Administration from Southern New Hampshire University.

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.