Complex sentence: Since 2009, the festival has featured guest artistic directors: in that year, Anish Kapoor fulfilled the role, followed in 2010 by Brian Eno and in 2011 by Aung San Suu Kyi.
Split into simpler sentences: Since 2009, the festival has featured guest artistic directors. In that year, Anish Kapoor fulfilled the role: followed in 2010 by Brian Eno and in 2011 by Aung San Suu Kyi.