[1] He is ranked in ArtReview's Power 100 among the top 25 most influential individuals in the art world.
A citizen of France, Spiegler studied Political Science in the United States at Haverford College between 1986 and 1990, and attended the Medill School of Journalism at Northwestern University from 1992 to 1994, earning a Masters of Journalism.
[2][3] He joined MCH Group (parent company of Art Basel) as a co-director in 2007.
During his tenure, Art Basel grew from two to four fairs (Hong Kong and Paris added), from twenty-two to more than a hundred employees, and James Murdoch became a strategic investor.
[6] The shift from Fiac to Art Basel +Paris was also a controversial issue managed during his tenure.