Katelyn (Rowley) Gillen is a Senior Economist with Compass Lexecon based in Chicago. She specializes in antitrust and competition, industrial organization, applied econometrics, data science, and analytics. She has experience in a wide range of industries including healthcare, transportation, telecommunications, and financial services. Prior to joining Compass Lexecon, Katelyn was a Senior Applied Data Scientist at Civis Analytics and an Associate Director, Data Science at Evolent Health. She also served as a Research Analyst at Compass Lexecon from 2014 – 2017. Katelyn holds an M.S. in Economics and Policy Analysis from DePaul University and a B.A. in Economics from Illinois Wesleyan University.