Michael E. Lehman, a director since 2001, has been our Lead Director since July 2020. He served the University of Wisconsin in various capacities from March 2016 through October 2021, including as Interim Chief Operating Officer of the Wisconsin School of Business, Special Advisor to the Chancellor, Interim Vice Provost for Information Technology, Chief Information Officer and Interim Vice Chancellor for Finance and Administration. He had previously been a consultant (2004-2016), was the interim Chief Financial Officer at Ciber Inc., a global information technology company (2013-2014), Chief Financial Officer at Arista Networks, a cloud networking firm (2012-2013), and Chief Financial Officer of Palo Alto Networks, a network security firm (2010-2012). Earlier in his career, he was the Executive Vice President and Chief Financial Officer of Sun Microsystems, Inc., a provider of computer systems and professional support services. Mr. Lehman also serves on the Board of Astra Space, Inc.

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