Citi’s securities services business has appointed John Miller as global head of fund accounting and administration, reporting to Mike Hughes, head of fund services. Based in Boston, Miller will oversee product strategy, client delivery and financial performance, and drive investments into new technologies for the business. He will focus on the move to a global operating model for fund services, enabling the business to be run more efficiently across multiple geographies and asset classes on a single platform. He joins from J.P. Morgan, where he was global head of accounting and administration.