Karen M. Bolderman, RD, LDN, CDE, has worked as a dietician and diabetes educator for over 30 years, including 10 years as a diabetes research study coordinator. She has trained and managed hundreds of insulin pump patients and has experience with all brands of insulin pumps. Ms. Bolderman is recognized for her expertise in carbohydrate counting and is the co-author of Practical Carbohydrate Counting A How-to-teach guide for health professionals, 2nd edition (American Diabetes Association, 2008. She has served as president, Health Care & Education, Mid-Atlantic Region of the American Diabetes Association and was named the Academy of Nutritionists and Dietitians' Outstanding Dietitian of the Year for the Maryland Dietetic Association in 1996.