Mr. Winkleblack has been a director since 2016 and non-executive chairman since 2024, after serving as lead independent director from 2023 to 2024. He provided consulting services to Ritchie Bros. Auctioneers from 2014 to 2019.
Ms. Mathews-Spradlin has been a Company director since 2015 and served as Microsoft’s chief marketing officer after holding other leadership roles there; she also worked at General Motors and as a Microsoft communications consultant in the United Kingdom.
Mr. Rothschild has been a director since 2010 and a partner and head of East Wind Advisors’ General Industries and Special Situations group since 2018. He is also the managing member of Daroth Capital LLC, a financial services company.
Mr. May has been a director of the Company since 2008 and its non-executive senior vice chairman since 2021. He served as a director of predecessor companies from 1993 to 2008.