• The former Citigroup executive declined to discuss his plans
  • In four years at Maybank, Ong helped build Asia advisory unit

Giles Ong, Malayan Banking Bhd.’s head of Asia investment banking, is leaving after building the advisory business beyond the lender’s home market during his four-year tenure.

Ong, 46, tendered his resignation last week, according to an e-mail he sent Monday to colleagues that was obtained by Bloomberg News. In a telephone interview Tuesday, he confirmed the contents of the message and said he will remain at the Kuala Lumpur-based company through April. He declined to discuss plans.

"In the past year I thought long and hard about moving on and have already stayed longer than I intended,” Ong said in the e-mail. “I believe, this is an opportune time to hand the reins over to new leadership and am confident the strong momentum continues."

Ong joined Maybank in April 2012 after working at Citigroup Inc., and helped build its investment banking business in Indonesia, Hong Kong and China. He hired John Fei, the former head of global capital markets at Industrial & Commercial Bank of China Ltd.’s advisory unit, as chief executive officer of investment banking for Hong Kong and Greater China, Ong said in the interview.

Ong also assisted with the bank’s integration of its Kim Eng Holdings Ltd. acquisition in 2011. Prior to joining Maybank, he was Citigroup’s head of mergers and acquisitions for Southeast Asia.

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