Walt Disney Studios has promoted Dean Hallett to executive VP and chief financial officer. Hallett, an 11-year veteran of Disney, previously served as senior VP and chief financial officer of the studio. He assumed that role in April, following the departure of Rob Moore. Hallett will continue to oversee all financial, strategic and operational aspects of the firm. As executive VP, he will help develop and expand strategy and management. Hallett joined Disney in 1990 as a manager in the corporate management audit department.