Elizabeth K. Arnold

Elizabeth K. Arnold has served as a director since August 2019, is the chairman of our audit committees and a member of our nominating and corporate governance committee. Since October 2014, Ms. Arnold has served as the Senior Vice President, Chief Financial Officer and Treasurer of Houghton International, a specialty chemical company with international operations. From October 2012 to April 2014, Ms. Arnold served as the Chief Financial Officer of Physiotherapy Associates. Prior to joining Physiotherapy Associates, Ms. Arnold served as the Chief Financial Officer of Tyco Flow Control from April 2010 to September 2012. Between 2003 and 2010, Ms. Arnold worked as the Vice President, Corporate Financial Planning & Analysis at Tyco. Earlier in her career, Ms. Arnold served in numerous roles, including executive leadership positions, for General Electric, a global industrial company with products and services ranging from aircraft engines, power generation and oil and gas production to medical imaging. She brings to our board of directors, among other things, extensive corporate finance and public accounting experiences, as well as a wealth of operational knowledge.