A veteran of the supplement industry, Dr. Angelica Vrablic is a graduate of the University of North Carolina at Chapel Hill. She is the author of several research publications including two recent clinical studies on Ester-C^®. An experienced product developer, she has formulated a number of national branded products, including the Ester-C Specifics^™ line. Dr. Vrablic has conducted several clinical trials on supplements for weight loss, joint health and cardiovascular wellness. She has been a frequent guest on popular national radio and TV health shows. Dr. Vrablic has worked with several leading natural health companies in nutritional research, including American Health^®, Ester-C^®, Home Health™ and SISU™.

Maile Combs is Associate Director of Scientific Affairs for The Ester C Company where she has spent over a decade contributing to all technical areas within the company, including Quality Control, Quality Assurance, Regulatory Affairs, Intellectual Property, Product Development and Clinical Research. She has published several papers in the field of vitamin C research, writes technical copy for Sales & Marketing, and conducts media interviews and customer education seminars. Maile holds a Bachelor of Science Degree in Analytical Chemistry from Northern Arizona University and a Master's Degree in Human Nutrition from the University of Bridgeport.

Kristin A. Schierenbeck has worked in many aspects of the dietary supplement industry including research, regulatory, quality control, marketing and sales since 1996. Currently the manager of Consumer Affairs, Ms. Schierenbeck is a graduate of the State University of New York College at Brockport with a Bachelor of Science in Health Science and Dance and holds a Masters Degree in Human Nutrition from the University of Bridgeport . She is an active member of the American College of Nutrition (ACN) and a Certified Member of the American Nutraceutical Association (ANA). Ms. Schierenbeck also continues to counsel clients in her own clinical practice.