Citigroup Inc. has announced that the company has appointed Rapheal Mun as environmental, social and governance (ESG) and sustainability head for its Asia Pacific banking, capital markets and advisory (BCMA) division. Mun has been with the bank for the past 19 years. In the role, she is to relocate to Singapore from London. In the role, Mun would be part of the Sustainability and Corporation Transitions (SCT) group, which was created in May 2020.