Ellen Mira Mathers

Age: unknown
Species: human
Hair color: pale blonde
Eye color: purple
Equipment: CR-Unit
Affiliations: DEM Industries
Occupation: DEM Wizard, DEM Director's Secretary, DEM Chief Executive

Ellen Mira Mathers is reportedly the world's strongest Wizard who works for Sir Isaac Ray Peram Westcott personally and is often mistaken for being his assistant. She previously worked for the AST by request of Sir Isaac Ray Peram Westcott. She vowed to never lose to any opponent, even agreeing that she may go so far as to commit the atrocity of destroying the world in the process.

(Source: Wikipedia, edited)