Karthik Ramakrishnan, M.D., is a pediatric heart surgeon with Children's National Health System. After completing his fellowship in congenital cardiac surgery at two major centers in Australia, Dr. Ramakrishnan joined as a fellow at Children’s National in July 2014. After completing two years of fellowship, Dr. Ramakrishnan was promoted and joined the staff at Children’s National in October 2016. Dr. Ramakrishnan has extensive experience in managing children with congenital heart disease. Apart from routine open heart procedures in children, he has a special expertise in ECMO procedures and PDA ligation in extremely premature babies. He also has a keen interest in studying clinical outcomes after heart surgery in children. His research projects have included analysis of the UNOS database and the PHIS database, and his research has resulted in numerous presentations at national and international meetings. Dr. Ramakrishnan also is currently the principal investigator at Children’s National for the Pediatric Heart Transplant Study (PHTS) group and the study coordinator for the Congenital Heart Surgeon’s’ Society (CHSS) studies. Dr. Ramakrishnan also is a member of the PHTS working group on the surveillance and diagnosis of cellular rejection. Dr. Ramakrishnan’s clinical studies have resulted in several publications in top peer-reviewed journals. Dr. Ramakrishnan also is an educator. He loves teaching and views his regular interaction with the staff in the cardiac intensive care unit (ICU) as a two-way learning experience that ultimately results in better care for the patients.