Who is Woman EHM trainer from Confessions of an Economic Hit Man and what is their importance?

Claudine is the EHM who trains John. She is described as very attractive and seductive, someone who knows how to play and work John. Initially, he is upset that a woman has been sent to train him. Claudine, however, taught him everything he need to know about being an EHM, and she was very stern about never revealing their secrets.