The lender also shuttered its business banking portfolio in the U.S. in May to simplify operations. London-based HSBC is Europe's biggest bank by assets. Henderson most recently served as deputy U.S. head of banking and will continue those duties while taking on the interim role. He will report to Michael Roberts, CEO of corporate and institutional banking, effective immediately. Henderson has spent nearly two decades at HSBC, according to his LinkedIn profile, holding executive roles in the U.S. and Canada. Before that, he was at RBC Capital Markets for about 13 years. (Reporting by Lananh Nguyen in New York and Niket Nishant in Bengaluru; Editing by Arun Koyyur)