Joanna Masel is a Professor of evolutionary biology at the University of Arizona, where she teaches Evidence-Based Medicine. She is a mathematical modeler and data scientist who has published in diverse fields including biochemistry, systems biology, infectious disease, aging, evolutionary biology, economics, and education. She studies how selection to prevent and/or mitigate errors in molecular processes shapes biological systems. Other research interests in the diverse nature of biological competitions spill over into economics, where she is the author of Bypass Wall Street: A Biologist’s Guide to the Rat Race. Her current research focuses on risk analysis and testing/tracing/quarantine protocols for COVID-19, including in her role as Head of Science at WeHealth PBC.