He specialises in clinical trials in antenatal and intrapartum care. His research interests include interventions to predict and prevent preterm birth, pre-eclampsia, and reduce global maternal and perinatal mortality. He has published >500 peer reviewed research reports (H index >50).

He has an active clinical role in managing high risk obstetric patients, including a regular hands-on labour ward commitment, and a specialist award winning preterm birth surveillance clinic that accepts national and international referrals.