Mr. Sonnenberg has served as a director of the Company since March 2020. Mr. Sonnenberg retired in 2019 from Emerson Electric Co., a manufacturer of products for industrial, commercial and consumer markets through its network power, process management, industrial automation,
climate technologies, and tools and storage businesses. In 2018, he became Senior Advisor, Emerson Automation Solutions until his retirement in 2019. In that role, he worked in the areas of leadership development and senior customer relations. From 2016 through 2018, Mr. Sonnenberg served as Chairman of Emerson's Automation Solutions business, which assists manufacturers to maximize performance through Emerson's industry-leading portfolio of technologies to measure, control, optimize and power their operations. In that role, he also advised on large acquisitions and on the development of the company's highest-level customer relationships. From 2008 through 2016, he served as President of Emerson's $8.5 billion Process Management Group, a worldwide 40,000 employee, eight business unit manufacturer of automation products for process industries. For more than 13 years prior, Mr. Sonnenberg managed various Emerson affiliated companies with operations throughout Asia and Europe.
Mr. Sonnenberg has been a director of Steel Dynamics, Inc., a public company which is one of the largest steel producers in North America, since 2018, where he serves on the Audit Committee and Corporate Governance and Nominating Committee. He has also served on the board of Tennant Company, a public company specializing in the design, manufacture and sale of nonresidential floor maintenance, since 2005, where he is currently the Chairman, chairs the Executive Committee, and serves on the Audit and Governance Committees. Mr. Sonnenberg is also on the Board of Trustees of Dunwoody College of Technology.