Fitzpatrick is responsible for the company's corporate finance, accounting, investor relations, treasury, real estate, business development, corporate strategy, strategic investments, pricing and procurement functions. She has served as Senior Managing Director and Deputy Treasurer since 2022 and Managing Director of Corporate Development and Treasurer since 2017. Since joining Sesamex in 2006, she has gradually taken on increasingly important functions.

Prior to joining Chiba, Fitzpatrick worked in investment banking at Credit Suisse and UBS.

She holds a bachelor's degree in economics from Brown University and an MBA with honors from The University of Chicago Booth School of Business.