She would be the Senior Vice president of Global marketing support for the Walt Disney Parks and Resorts. She basically works with all the marketing departments for all the parks. Or as Variety put it,
Originally Posted by variety
Muller will work with the marketing heads at all Disney Parks and Resorts worldwide providing creative support and coordinating development initiatives.
"Tonight I wash my hands of you
You set the bar I could not live up to
Tonight the light is breaking through
So thank you very little and send me postcards from hell"