MCMC, Mavcom among regulators which met the competition commission.
The deal comes among a wave of mergers in the real estate investment funds sector.
Renault intends to restart merger talks with Nissan within 12 months, after which it would set its sights on a bid to buy Fiat Chrysler.
A combination of Renault, Nissan, Fiat and Chrysler would create an automaker that could better compete against global competitors.
Kholifey also says he does not expect deflation in Saudi Arabia thanks to consumer demand and real estate loans.
Vietnam was home to one of Asia's quickest-growing stock markets last year with 48% growth, backed by some major stake sales by both state and private firms.
Yeo is expected to join RHB in the newly-created role in August.
He says local banks were forced to enter into mergers with other peninsula banks, resulting in them being swallowed up during Dr Mahathir Mohamad's time as prime minister.