Low quality customer interactions can have a noticeable negative impact on customer retention, renewal and satisfaction. This series teaches by example to demonstrate the techniques and tactics required to deliver world-class customer service. The Telephone Doctor® Customer Service & Telephone Skills Training Library is our flagship customer service training solution. The techniques in this iconic customer service training series have been validated by tens of thousands of organizations & call centers worldwide. Regularly refreshed and updated, this best-selling series is hosted by Customer Service Expert Nancy Friedman.