Rohan is a specialist in Maternal-Fetal Medicine at Mount Sinai Hospital, Clinician-Investigator at the Lunenfeld-Tanenbaum Research Institute, Assistant Professor of Obstetrics and Gynaecology at the University of Toronto and a PhD candidate in Clinical Epidemiology at the Institute of Health Policy Management and Evaluation, University of Toronto. His clinical interests include medical disorders in pregnancy with a focus on cardiac, endocrinologic, neurologic, renal, hypertensive and rare medical/surgical disorders, as well as the care of the critically ill pregnant patient. In 2016 he received the CIHR Women’s Health Research Award for his work on pregnancy outcomes in women with mechanical heart valves and the International Lee-Lusted Award for his work on eliciting patient-preferences for health states related to the use of anticoagulants in pregnancy. His research interests include the conduct of patient-preference studies and decision analysis studies in obstetrics; the development of core-outcome sets (COS) for pregnant women with medical disorders, the creation of prediction rules for various obstetric and medical conditions and the conduct of clinical trials and observational studies aimed at reducing rates of postpartum haemorrhage and improving the success of labour induction.