Complex sentence: He once operated an Upper Serangoon Road-based acupuncture centre, and organised acupuncture meet-ups as the president of the World Acupuncture Voluntary Organisation (WAVO).
Split into simpler sentences: He once operated an Upper Serangoon Road-based acupuncture centre, and organised acupuncture meet-ups. He was at one point in time the president of the World Acupuncture Voluntary Organisation (WAVO).