He is a leader in the field of mammalian oxygen sensing, prolyl hydroxylase domain oxygen sensor and HIF biology, and trained in experimental biology and genome editing under Professor Rudolf Jaenisch at the Whitehead Institute. Professor Haase is the recipient of the 2006 Sir William Osler Young Investigator award. He is also a member of the American Society for Clinical Investigation (ASCI) and was elected to the Association of American Physicians (AAP) in 2016. In addition to directing his research group, Professor Haase provides inpatient care in General Internal Medicine and Nephrology (see Clinical Activities in Internal Medicine and Nephrology).