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Katherine Sanders, PhD, is a Senior Analytical Research Scientist at Sigma-Aldrich since June 2020, bringing a strong background in analytical research. Prior to this role, Katherine held positions as a Graduate Research Assistant and Graduate Teaching Assistant at Saint Louis University from July 2015 to June 2020, where valuable research and teaching experience was gained. Katherine's early work experience includes a role as a Sales Associate at Macy's from July 2012 to June 2015. Katherine holds a Bachelor of Science in Chemistry from Saint Louis University, obtained in 2015, and continued education at the same institution, culminating in a PhD in 2020.