Sian Lewis is a data scientist and is the Head of Research at A—B. She specializes in narratives for mitigating racism and algorithmic bias. For her contributions to data science, research, and social good, Sian is a 2021 Society of Women Engineers Spark Awardee, a 2021 Black Engineer of the Year Modern Day Technology Leader awardee, a 2020 Women of Color in Stem All Star awardee, and a 2019 DCFemTech awardee.