Insight Enterprises, Inc. announced that Ken Lamneck, CEO of Insight Enterprises, Inc. retired and resigned from the Company effective December 31, 2021. Mr. Lamneck has no disagreements with the Company; in fact, he will continue to serve the Company in an advisory capacity. As provided in the Company's Report on Form 8-K filed October 18, 2021, effective January 1, 2022, Joyce Mullen was elected as CEO of the Company.