John Doench is the director of research and development in the Genetic Perturbation Platform of the Broad Institute of MIT and Harvard, where he is also an institute scientist. In that capacity, he provides expert guidance on the design, execution, and analysis of genetic screens. He has contributed to numerous publications in fields such as infectious disease, cancer biology, and immunology, highlighting both his commitment to team-based science and ability to mentor and guide scientists from diverse backgrounds on the critical principles of genetic screens.