Jonathon C. King will become president and CEO of UNC Management, which runs the $1.1 billion endowment of the University of North Carolina, Chapel Hill. He will take over the post on Jan. 1. Mr. King replaces Mark W. Yusko, who left in July to form his own money management firm, Morgan Creek Capital Management. Mr. King is CIO and associate vice president at Dartmouth College, Hanover, N.H., overseeing management of its $2.46 billion in endowment assets, as well as other the college's working capital and charitable trusts. Roland Adams, Dartmouth's head of media relations, said information about Mr. King's replacement was not available.