Makena Capital Management has named Kevin Clayton as vice chairman. Clayton, who is a former principal at Oaktree Capital Management LP, will also join Makena’s board of directors. Also, Makena has added now retired U.S. foreign diplomat William Burns to the board of directors and named him a special advisor. Burns is the president of the Carnegie Endowment for International Peace. He has also served as Deputy Secretary of State under John Kerry and Hillary Clinton and was U.S. Ambassador to Jordan under President Bill Clinton and U.S. Ambassador to Russia under President George W. Bush.