Allen earned a BA in Neurobiology at Harvard University and his MD at the UCLA School of Medicine. During medical school, he spent a year as an HHMI-NIH Research Scholar at the National Cancer Institute in Bethesda, MD. Allen then completed his otolaryngology-head and neck surgery residency at Stanford University Medical Center, and is currently a head and neck surgery fellow at Memorial Sloan Kettering. His research focuses on large-scale genomic analysis of salivary and thyroid malignancies, to identify molecular drivers of pathogenesis. Allen was born and raised in Chicago, IL, and enjoys traveling with his family.