Spiegler has worn many hats. Though he’s been in top leadership positions for Art Basel since 2007, he was a prominent writer and journalist for more than 10 years prior. He covered a number of issues, including (of course) the art market. But he also branched out into topics as vast as technology, cultural criticism, and politics. This was after creating an immense body of work on architecture and design. His writing, such his piece as “Do Art Critics Still Matter?” is essential, as is his guidance of Art Basel. He became the head chair of the three fairs (Basel, Switzerland, Hong Kong, and Miami, Florida) last year.