Charles Knirsch, MD, MPH, is Vice President, Pfizer Vaccines Research and Development and Adjunct Assistant Professor of Medicine at Columbia University. He co-taught Parasitic Diseases with Dr. Despommier, Dr. Gwadz, and Dr. Hotez. Chuck has worked in a number of partnerships and co-development programs on neglected tropical diseases with NIH, CDC and WHO; the latter in a program with The International Trachoma Initiative to eliminate blinding trachoma by the year 2020.