Mary G. Roebling was a pioneering American banker and business executive who broke significant gender barriers in the financial world. In 1937, she became the first woman to serve as president of a major American commercial bank, the Trenton Trust Company. Her trailblazing career also included being the first woman governor of the American Stock Exchange, a position she held from 1958 to 1962. Throughout her life, Roebling was a powerful advocate for women in business and finance, leaving a lasting legacy of leadership and determination.