Lucas Wilson had only been at his new job for four weeks when he traveled from Australia to the Spanish island of Mallorca to host a private dinner for 24 luxury yacht owners. As the sun set over the bay where the Sunseeker yachts were moored, their owners — British and American tech entrepreneurs and restaurateurs — filed in for dinner at La Fortaleza, the 400-year-old fortress on the cliff. “My job was literally to travel the world, looking for wealthy people,” Wilson recalled, look