Delta Marketing Dynamics, also known as DMD Surveys is a division of KS&R Inc., a provider of survey research for the healthcare industry (including pharma/biotech). They source the thoughts and opinions of healthcare professionals such as pharmacists, physicians, distributors and others that help their clients make more meaningful decisions for the healthcare industry. Medical professionals can join the specialty, retail or hospital panels. You may become a member of more than one panel if you meet the requirements. However, you must sign up for each panel separately.