Dr. Natasha Martin is an infectious disease economic modeler who develops dynamic transmission models to evaluate the impact and cost-effectiveness of public health interventions. She is currently a Professor in the Division of Infectious Diseases and Global Public Health at the University of California San Diego and holds an honorary professor position at University of Bristol. She is the Vice President of the International Network on Health and Hepatitis in Substance Users (INHSU) and an associate editor of the journal Addiction.