Philip B. Stark is Professor of Statistics and Associate Dean of Mathematical and Physical Sciences at the University of California, Berkeley. He studies inference and uncertainty quantification in physical, biological and social sciences. Methods he developed for auditing elections (“risk-limiting audits”) are in law in six states, and in pending US federal legislation. He developed parts of the Øersted geomagnetic satellite data pipeline and the Global Oscillations Network Group helioseismic data pipeline. He has been an expert witness in civil and criminal cases involving elections, discrimination, equal protection, First Amendment, food safety, jury selection, legislation, MBS, patents, public utilities, truth in advertising, vaccines and whistleblower claims.