Dr. Steffanie Strathdee is a Canadian-American infectious disease epidemiologist who received her doctoral training at the University of Toronto. She is Associate Dean of Global Health Sciences and Harold Simon Distinguished Professor of Medicine at the University of California San Diego where she co-directs the Center for Innovative Phage Applications and Therapeutics. Steff is married to Thomas L. Patterson, Professor of Psychiatry at UC San Diego, where they lead an HIV prevention research program on the Mexico-US border. Together, they co-authored their memoir, The Perfect Predator, a medical thriller about Tom's life-threatening superbug infection which was cured with a hundred-year old forgotten cure-- phage therapy. In 2018, Steffanie was named by TIME magazine as one of 50 Most Influential People in Health Care for her work to bring phage therapy to North America.