Cecilia (played by Mia Van Der Water) is an employee of Bear Stearns Bravo who presented the performance awards. The same actress who plays her also appeared in How to Pronounce Horse ebooks, though it is unclear whether or not they are the same characters.
Cecilia as she appears in the promotional trailer for Bear Stearns Bravo.
Cecilia's actress, as she appears in HtP Horse_eBooks