2021-7-30 · Jan 01, 2017. 4.5. 4.5%. David Clayton, CFA, JD, Managing Director and portfolio manager, is a member of the Global Allocation team. Mr. Clayton joined the BlackRock Global Allocation team in 2010 and was named a portfolio manager of the Fund in 2017. Prior to his current role, he was head of portfolio oversight, as well as a senior investor ...