Dr. Todd J. Cohen is a renowned scientist, inventor, and cardiologist. He is an avid writer and editor, and has published many articles in medical journals including Cir-culation, JAMA, and the New England Journal of Medi-cine. He directed two of the busiest electrophysiology programs on Long Island over two-and-a-half decades, and currently serves as the Chief of Cardiology and Di-rector of Medical Device Innovation at the NYITCOM. He is the Founder and Director of the Long Island Heart Rhythm Center located in Old Westbury, New York on the NYITCOM campus. He is an attending physician within the Catholic Health System on Long Island, and in the Mount Sinai Health System in Manhattan. He is also known for his Johns Hopkins Press 2010 Best Health Book entitled “A Patient’s Guide to Heart Rhythm Prob-lems,” his book “Practical Electrophysiology,” currently in its third edition, as well as his many cardiac inventions including one featured in this book in which CPR is per-formed using a handheld toilet plunger (“active compres-sion-decompression CPR”). He has a passion for art and has served on the Board of Trustees (and currently Chairs the Art and Exhibition Committee) at the Nassau County Museum of Art, in Roslyn, New York.