The RIA has brought on Gün Keresteci, former global head of finance at McKinsey. : Mercer Global Advisors, one of the largest and fastest-growing registered investment advisors in the nation with $56 billion in assets, has hired Gün Keresteci as chief financial officer. He joins from McKinsey & Company, where he was global head of finance. Keresteci replaces Michael Henry, who has shifted into the role of vice president of M&A finance. He served as CFO since 2020. Mercer recently hired five new executives to fill out its M&A partner development and integration teams and bolster its inorganic growth.