RLI Corp. announced its plan for Craig W. Kliethermes, current RLI Insurance Company President & Chief Operating Officer, to succeed Jonathan E. Michael as Chief Executive Officer, effective January 1, 2022. Michael announced that he will retire as CEO, effective December 31, 2021, a position he has held since 2001. He has served as Chairman of the Board since 2011 and will remain in that capacity after stepping down as CEO. Kliethermes, who was promoted to RLI Insurance Company President & COO in 2016, will assume the role of RLI Corp. President & COO and be appointed to the Board of Directors, all effective on January 1, 2021. Previously, he served as Senior Vice President, Risk Services since 2013.