Pe replaces Paul Regan, who leaves the agency after a two-year spell.
The appointment marks the Filipino's eighth move between agencies in a career that spans more than two decades in the industry.
Latterly, Pe was ECD of Vietnamese independent Golden, after stints at agencies including DDB International (now Milk+Co) in Malaysia, DDB Philippines, McCann Erickson Indonesia and JWT Philippines.
River Orchid Group, which has offices in Thailand, Vietnam, Laos and Myanmar as well as Cambodia, was in merger talks with M&C Saatchi in May. However a deal did not materialise.
Pe resurfaces at Bassac Orchid in Cambodia
PHNOM PENH - Independent agency network River Orchid Group has signed veteran creative Roger Pe (pictured) to lead the creative department of Bassac Orchid, its Cambodian operation, as ECD.
