OCBC outgoing group chief executive will maintain ties with the Singaporean lender as an advisor to the board.
Samuel Tsien has been appointed advisor to the board upon retirement from his CEO role on April 15, according to a regulatory filing.
Tsien will be succeeded by former Greater China CEO at HSBC Helen Wong who rejoins after first starting her banking career with OCBC in 1984.
Tsien will also step down from his role as chairman of the Association of Banks in Singapore in April.