Satinder Ahuja, PhD, is a recognized expert in the field of chromatography and separations. As President of Ahuja Consulting, he has advised major pharmaceutical companies in the United States, Europe, and India. For the last several years, working on a pro bono basis, Dr. Ahuja has used his expertise in ultratrace analysis and separation chemistry to help solve the problem of arsenic contamination in the United States and Bangladesh. Dr. Ahuja has given lectures around the world, received numerous awards, and served on distinguished panels for the United Nations and National Science Foundation Review. He has published numerous papers and seventeen books.