VanderMolen most recently served as global vice-chairman for DJE Holdings, Edelman's parent company, before departing in September amid troubles in the company's Chinese operation. Before this he was president and CEO of Edelman's global practices business.
He was president of Edelman's APAC business for nine years and was previously at Burson-Marsteller for 13 years.
The newly created role at WE will see VanderMolen involved with the agency's global partnership network, WE+, as well overseeing the company's international operations.
In February, Chris Talago, WE EMEA general manager, announced that he would be leaving the agency in May.
WE CEO and founder, Melissa Waggener Zorkin, said: "Technology transforms the way the world does business, and innovators need to be creative in their approaches. Alan’s track record in growing and building successful businesses, running international operations and expanding capabilities and service offerings speaks for itself — and complements WE’s commitment to transformation while continuing to offer clients the best agency experience."
VanderMolen will report directly to Waggener Zorkin and be a member of the senior leadership team.
He will split his time between London and Singapore, working closely with in-region teams.
VanderMolen added: "WE is the perfect place for me. The agency’s progressive leadership, independence and deep roots with transformation-enabling brands place it in a position for accelerated growth. I am looking forward to a long, rewarding and fun run."
Recent client wins for WE include global pharmaceutical company Takeda Oncology and smart parking app KaChing in EMEA, and in APAC, semiconductor manufacturer, Lam Research.