The fair director talks about the challenges of 2009, his plans for 2010, and how to get through to the elusive Chinese collector.
Riley says that with building plans complete, he felt it was a good time to step aside.
The director says that he doesn't want Dia to become a "time capsule."
Kalup Linzy in New York
Tim Burton: Hailing Filmdom’s Oddest Artist
When in... Berlin
