Meryl Cohen is a pediatric cardiologist at The Children's Hospital of Philadelphia with over 20 years of experience. She was the echo lab director for 15 years and is now Associate Chief of the Division of Cardiology and the Program Director of the cardiology fellowship. She is the author of over 150 publications and a textbook on pediatric echocardiography in congenital and acquired heart disease. She has given over 250 invited lectures in the US and internationally.