Leo Burnett regional president Michelle Kristula-Green said Tan's appointment mirrored a restructuring of the network to align Leo Burnett and Arc closer together, announced late last year.
"His appointment also reflects a move in Malaysia to a more localised management team," she added.
"His appointment also reflects a move in Malaysia to a more localised management team," she added.
The announcement follows yesterday's news about the departure of former regional president of Arc Worldwide, Charles Cadell.