Roles to begin January 1. The post Carlyle Group Names New Co-CEOs, co-CIO appeared first on Chief Investment Officer. : The Carlyle Group will be making changes to its executive staff in January, the firm announced Wednesday. Effective January 1, the global alternative asset manager will be led by Kewsong Lee and Glenn A. Youngkin as its co-CEOs. Carlyle’s current co-CEOs, David M. Rubenstein and William E. Conway Jr., will serve as co-executive chairmen. Rubenstein and Conway will also continue to serve on Carlyle’s board and executive group.