This excerpt taken from the ATVI DEF 14A filed Jul 29, 2008.
Audit Committee Composition and Meetings
During fiscal 2008, the members of the Audit Committee were Mr. Corti (Chairperson), Ms. Isgur and Mr. Morgado. The Board determined that each member of the Audit Committee was an independent director and understood financial statements and was financially literate. The Board has determined that Mr. Corti was an "audit committee financial expert" as defined in the applicable rules of the SEC.
The Audit Committee met four times during fiscal 2008.