T.A. Dadisman Jr., M.D., is medical director of Preventive Medicine at CareFirst BlueCross BlueShield in Baltimore, Maryland. For the last ten years he has specialized in assisting diabetics to improve the quality of their medical care and their lives. Greta Brand holds a Master's degree in health administration from Johns Hopkins University, serves on the Board of Juvenile Diabetes Research Foundation, and has been conducting diabetes classes for the past 15 years.