Michael Burger

Michael Burger was appointed President and CEO of ESI on October 3, 2016. Prior to joining ESI, Mr. Burger was President and Chief Executive Officer of Cascade Microtech since 2010. Prior to joining Cascade Microtech, Mr. Burger served as the President and Chief Executive Officer of Merix Corporation, a printed circuit board manufacturer, from April 2007 to February 2010. From November 2004 until joining Merix, Mr. Burger served as President of the Components Business of Flextronics Corporation. From 1999 to November 2004, Mr. Burger was employed by ZiLOG, Inc., a supplier of devices for embedded control and communications applications. From May 2002 until November 2004, Mr. Burger served as ZiLOG's President and a member of its board of directors. Mr. Burger holds a B.S. degree in Electrical Engineering from New Mexico State University and a certificate from the Stanford University International Executive Management Program.


    Allen Muhich joined the ESI team in December 2017 as Vice President, Chief Financial Officer and Corporate Secretary. Mr. Muhich brings over 25 years of global financial management experience in technology businesses. Prior to his role at ESI, Mr. Muhich served as the COO/CFO of ID Experts, a provider of identity protection services. Prior to ID Experts he was the CFO of Smarsh Inc., a provider of cloud-based archiving solutions, and the CFO of Radisys Corporation, a leading provider of open telecom solutions. Prior to Radisys he was the Vice President of Finance and Corporate Controller at Merix, a manufacturer of printed circuit boards, and he spent 15 years in financial management at Tektronix and Xerox. Mr. Muhich holds a B.A. degree in Accounting from Western Washington University.

      Tracey Jerijervi

      Ms. Jerijervi joined ESI in April of 2007 as Director of Human Resources. With over 20 years of industry experience, she has held a number of senior human resource leadership positions within high tech companies such as RadiSys and Tektronix. Currently, Ms. Jerijervi serves on the board of directors of Junior Achievement, a not-for-profit organization dedicated to inspiring and preparing youth to succeed in the global economy. She graduated from Western Michigan University with a bachelor's of science degree.

        Clifton Ho joined ESI as Vice President of Global Sales and Service in April 2017.  His experience includes nearly three decades in semiconductor-related sales and marketing in Asia. Prior to joining ESI, Clifton spent seven years as Vice President, Asia Pacific Sales at Intersil Corporation, a provider of power management solutions, where he managed an extensive sales organization across Asia. Before joining Intersil he served for eight years in various management roles at National Semiconductor, where he was General Manager for China Sales from 2006 to 2010, and Director of Marketing for Asia Pacific from 2002 to 2006. His other experience includes Director of Asia Sales at QuickLogic Corporation.
          Steve Harris

          Steve Harris joined the ESI team in February of 2017 as Vice President of Engineering.  Mr. Harris brings over 30 years of engineering, engineering management and business management experience.   Prior to joining ESI, Mr. Harris spent 7 years at Cascade Microtech where he served as Vice President of Engineering, and as VP & General Manager.   Prior to joining Cascade Microtech, Mr. Harris worked 11 years at ESI where he held roles of Vice President Research, Development & Engineering and VP & General Manager Semiconductor Products division.   Mr. Harris spent the first 13 years of his career at Tektronix in development engineering, program management, and engineering management roles.   Mr. Harris holds a B.S. degree in Electrical Engineering from the University of Idaho and a certificate in General Management from Oregon Graduate Institute.

            Richard Tan

            Richard Tan was appointed Vice President of Operations in February 2017. Prior to this appointment Richard spent four years as the General Manager of ESI Singapore. Previously, Richard spent four years as the Senior Director of Operations for the Solar Division of MEMC/Sun Edison. Prior to joining MEMC Richard spent 15 years in increasingly responsible manufacturing, product planning, and logistics roles at Infineon. He holds a degree in Mechanical & Production Engineering from Nanyang Technological University and a Graduate Diploma in Business Administration from Singapore Institute of Management.

              John Williams

              John Williams joined the ESI team in February of 2017 as Vice President of Marketing. Mr. Williams brings over 20 years of experience in increasingly responsible roles involving marketing management and strategy. Prior to joining ESI, John was Vice President, Marketing for Thermo Fischer Scientific, previously FEI, where he had served for ten years—seven as Vice President, Corporate and Strategic Marketing. Prior to FEI, he spent five years as Director of Marketing at Brooks Automation. John had previously held Product Marketing Manager responsibilities at a number of technology-focused firms. He has a degree in Mechanical Engineering from Cal Poly - San Luis Obispo.

                Michael Stubelt

                Michael Stubelt was appointed Vice President of Business Development in May 2017. Prior to this appointment, Michael spent four years as Regional Vice President of Sales; with responsibility for Vietnam, Korea, Japan, Americas and Europe. Since joining ESI in 2007 he has held a number of strategic positions, with management roles in Marketing, Sales Management and Global Account Management. Mr. Stubelt has over 20 years of global sales and business development experience, building relationships with global companies in the Semiconductor, LED, Scientific and PCB industries. Prior to joining ESI, he served as Global Director for the LED Business at New Wave Research. Prior to New Wave Research Mr. Stubelt led the International Sales teams for Molecular Imprints and had managed the Global Sales and Services operation for Wentworth Laboratories. Mr. Stubelt holds a B.S in International Business Administration and Finance from Western Connecticut State University.

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