Mac Callanan is a corporate and transactions attorney currently serving as Legal Counsel at Reinsurance Group of America, Incorporated since 2025. Previous roles include Assistant County Counselor at St. Louis County Counselor’s Office from 2021 to 2025 and Assistant Prosecuting Attorney at St. Francois County Prosecuting Attorney’s Office from 2019 to 2020. Mac also gained experience as a Rule 13 Summer Legal Intern at Jefferson County Prosecuting Attorney's Office in 2017 and as a Legal Extern at United States Attorneys' Offices in the same year. Mac earned a Juris Doctor (J.D.) from Saint Louis University School of Law in 2019 following a Bachelor's Degree in Business Administration from Saint Louis University.
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