Lianna Marks is a Pediatric Hematology and Oncology Fellow at the Children's Hospital of New York and Columbia University Medical Center. She is a graduate of Columbia College and the Indiana University School of Medicine and completed her pediatric residency at the Children's Hospital of Philadelphia. Her interest in Global Health has lead her to clinical work in Kenya, Guatemala, Costa Rica, and the Dominican Republic. Her research investigates using natural killer cell immunotherapy in the treatment of cancer. She is also interested in how genetic sequencing can be used to identify targeted therapies and predict risk of relapse in patients with pediatric leukemia.