Abigail M Hatcher is a Senior Researcher at the School of Public Health at the University of the Witwatersrand. She designs and tests social interventions for reducing intimate partner violence (IPV) among women and male partners. Based in Johannesburg, Ms. Hatcher is a Co-Principal Investigator for a WHO-funded trial of a brief nurse-led intervention for IPV in pregnancy. She serves as a Co-Principal Investigator for an UKAID-funded trial testing community mobilisation for reducing men's use of IPV. She is an expert in measuring the effects of IPV on engagement in HIV care and treatment.