A fan artist, Zuber was the original vice president of the Mythopoeic Society as well as a long-time member of LASFS (since the mid-50s). He served as the first editor for Mythlore. In 1977, after a falling out with the Mythopoeic Society, he became the founder and president of the Tolkien Fellowships. He was one of the guests at Mythcon XIII in 1982. He and his wife Teny Zuber promoted the Ralph Bakshi film of LotR.