Olivia Chalos is the Deputy Chief Legal Officer at Polymarket, a position held since 2025. They previously served as Special Counsel at Sullivan & Cromwell LLP from 2018 to 2025, following a summer associate role at the same firm in 2016. Olivia also gained valuable experience as a Judicial Law Clerk at the U.S. Court of Appeals for the Second Circuit from 2017 to 2018 and as a Judicial Intern in 2015. They earned a Juris Doctor from Fordham University School of Law in 2017 and a Bachelor of Arts in Government from the University of Virginia in 2012.
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