Board of Directors
Yon Y. Jorden served as Executive Vice President and Chief Financial Officer of AdvancePCS, a pharmacy benefits management company, from 2002 until her retirement in 2004. Prior to this, Ms. Jorden held Chief Financial Officer positions at Informix Corp., Oxford Health Plans, Inc. and WellPoint, Inc.
Ms. Jorden also serves as a director for Capstone Green Energy Corp., Alignment Healthcare, Inc., and Methodist Health System. In addition, she previously served as a director at Maxwell Technologies, Magnetek, Inc., U.S. Oncology, and BioScrip, Inc.
Mr. Mattes is the retired President and Chief Executive Officer of Coherent, Inc., where he served from April 2020 to July 2022 operationally transforming the company and leading its $6.6 billion acquisition by II-VI Incorporated in July 2022. Prior to Coherent, from July 2019 to April 2020, Mr. Mattes was a Senior Advisor at McKinsey & Company, where he focused on advising international businesses on high-impact transformations, agile change and positioning companies for growth. Prior to that, from June 2013 to December 2017, he served as President and CEO of Diebold Nixdorf, Incorporated (and its predecessor Diebold, Inc.), a multinational financial and retail technology company. Earlier in his career, he held executive leadership positions at Hewlett Packard, including leading worldwide sales for the technology solutions group and running the Americas enterprise services business, and various executive positions at Siemens AG culminating in his role as CEO of Siemens Communications Inc., USA.
Mr. Mattes also serves as a director for Velodyne Lidar, Inc., a lidar solutions provider for industrial, robotics, automotive, mapping and security markets.
Luis A. Müller joined Cohu's Delta Design subsidiary in 2005 and has been President and Chief Executive Officer of Cohu, Inc. since December 2014. Dr. Müller was previously President of Cohu's Semiconductor Equipment Group (SEG) from January 2011 until being named CEO, Managing Director of SEG's Rasco GmbH business unit in Germany from January 2009 to December 2010, and Vice President of SEG's High Speed Pick-and-Place handler products from July 2008 to December 2010. Prior to joining Cohu, Inc. Dr. Müller spent nine years at Teradyne, where he held various management positions in engineering and business development.
Dr. Müller also serves as a director for Celestica, Inc.
Nina L. Richardson served as Chief Operating Officer of GoPro, Inc. from February 2013 to February 2015. Prior to that, she held several executive positions of increasing responsibility at Flex Ltd., a global electronics and manufacturing service provider. Currently, she serves as managing director of Three Rivers Energy, Inc., a company she co-founded in 2004, and she has been an independent consultant since March 2015.
Ms. Richardson also serves as a director for Silicon Laboratories, Inc. and Resideo Technologies, Inc. In addition, she previously served as a director at Eargo, Inc., Zayo Group Holdings, Inc., Callidus Software, Inc. and Silicon Graphics International Corp.