Kate Smith-Miles is renowned for spearheading a new paradigm in reliable algorithm testing, through her’ Instance Space Analysis methodology. This is a mathematically rigorous foundation for “stress-testing” algorithms, including innovative techniques for generating unbiased test instances and visualisation of insights into algorithm reliability. A much-needed solution to the long-standing problem of algorithmic trust, it is transforming academic research practice across many fields, and supporting industry partners keen to avoid disasters when deploying critical algorithms.