Dr. Esfahani is an assistant professor of Oncology at McGill University and a researcher at the Lady Davis Institute of the Jewish General Hospital. He completed his oncology training at McGill, following which he decided to pursue further research in the field of immune oncology.

His expertise is in the treatment of skin, head and neck, and renal cancers with a research focus on immune-related adverse events.

He co-leads one the largest Canadian multidisciplinary initiatives to study immune-related adverse events and has numerous key publications in this field.