Board of Directors

Portrait

KIERAN O’SULLIVAN

Director since 2013

  • Chairman, President and Chief Executive Officer of CTS Corporation (2013 – Present)
  • Executive Vice President of Continental AG’s Global Infotainment & Connectivity Business (2006 – 2013)

Other Company Boards:

  • Director of LCI Industries (2015 – Present); Chair of the Risk Committee and Member of the Audit and Corporate Governance,  Nominating, and Sustainability Committees.
Portrait

ROBERT A. PROFUSEK

Director since 1998

  • Partner and Global Chairman of the Mergers and Acquisitions Department of Jones Day (1975 – Present)

Other Company Boards:

  • Lead Director of Valero Energy Corporation (2005 – Present); Member of the Compensation Committee
  • Lead Director of Kodiak Sciences, Inc. (2018 – Present); Chairman of the Nominating & Governance Committee
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DONNA COSTELLO

Director since 2021

  • Chief Financial Officer of C&D Technologies, Inc. (2016-2020)
  • Chief Financial Officer of Sequa Corporation (2008-2015)
  • Vice President, Controller and Chief Accounting Officer of Sequa Corporation (2002-2008)
  • Senior Manager of Arthur Andersen LLP (1995-2002)

Other Company Boards:

  • Director of Neenah, Inc. (2019-Present), Chair of the Audit Committee and a Member of the Compensation Committee
  • Director of Horizon Global Corporation (2021-Present), Member of the Audit Committee
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WILLIAM S. JOHNSON

Director since 2015

  • Retired Chief Financial Officer of Cabot Microelectronics Corporation
  • Senior Advisor of Cabot Microelectronics Corporation (2018)
  • Executive Vice President and Chief Financial Officer of Cabot Microelectronics Corporation (2013 – 2018)
  • Vice President and Chief Financial Officer of Cabot Microelectronics Corporation (2003 – 2013)
  • Executive Vice President and Chief Financial Officer of Budget Group, Inc. (2000 – 2003)
  • Various Management and Financial Positions held at BP Amoco (1984 – 2000)
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YE JANE LI

Director since 2020

  • Strategic Advisor, Diversis Capital, LLC (2013 – Present)
  • Chief Operating Officer, Huawei Enterprise USA, Inc. (2012 – 2015)
  • General Manager, Huawei Symantec USA, Inc. (2010 – 2012)

Other Company Boards

  • Director of Knowles Corporation (2018 – present); Member of the Audit and  Governance & Nominating Committees 
  • Director of Semtech Corporation (2016 – present); Member of the Compensation Committee 
Portrait

RANDY STONE

Director since 2023

  • President, Mobility & Materials of DuPont (2016-2022)
  • Global Business Director, High Performance Solutions of DuPont (2015)
  • Director, Investor Relations of DuPont (2012-2015)
  • Asia Pacific Managing Director, Performance Elastomers (2007-2012)
  • Global Business Director, Fluorochemicals of Arkema Inc. (2005-2006)
  • Various Management Positions held at DuPont (1999-2004)
Portrait

ALFONSO G. ZULUETA

Director since 2018

  • Senior Vice President of Eli Lilly and Company (2014 – 2021)
  • President of Lilly International (2017 – 2021)
  • Member of the Executive Committee and Officer of Eli Lilly and Company (2017 – 2021)
  • President of Emerging Markets and various roles of Eli Lilly and Company (1988 – 2014)

Other Company Boards:

  • Director of Syneos Health
  • Director of Calidi Biotherapeutics

Board Diversity and Experience

Committee Composition