He owned the Peak Cafe in Hong Kong in the 1990s, as well as various related ventures in San Francisco including a more casual cafe, an upscale bistro, and a kitchenware shop. As his fame grew he licensed his name out, and began to earn celebrity endorsement contracts, including one for Dewar's Scotch. In 1998, Tower sold a part interest in the Stars restaurants to a Singapore real estate company. The new owners closed the Stars restaurants after two years of operation.