Customer Service & Sales Keynotes and Training by Teresa Allen See Teresa's main LinkedIN profile and testimonials listed under Teresa Allen. Author of 'Common Sense Service: Close Encounters on the Front Lines' Two time recipient ASTD Prof Trainer of the Year Award. When you NEED expertise and you WANT fun, Teresa Allen is the perfect speaker for your event. Popular Programs: Profiting from Common Sense Service The Art of Asking Questions: Your Key to Common Sense Selling Common Sense Communication: Who am I, Who are YOU? Common Sense Life Balance: Hanging On By Our Fingernails!