Executive Assistant

Overview

The AI & Decision Product Enablement team is seeking a highly skilled, proactive, and strategic Executive Assistant to provide top-tier support. This role goes beyond the traditional executive assistant responsibilities; it is a dynamic partnership focused on maximizing the executive’s impact, improving the team’s operating effectiveness, and building relationships across the business. You will operate as a trusted advisor and right hand, managing day-to-day operational flow, ensuring the executive is focused on the highest-value activities.

The AI & Decision Product Enablement team is responsible for enabling industry leading AI and decision-based products across our network that help protect and enable our customers, impede crimes, and protect Mastercard.

This is a hybrid position based in O’Fallon, MO, requiring three days per week onsite.

• Manage and optimize complex calendars, meetings, travel, and event logistics.
• Act as a gatekeeper and facilitator for internal and external requests.
• Anticipate needs, prepare briefs and materials, and proactively manage shifting priorities.
• Partner with Chief of Staff or leadership to support operational planning and strategy reviews.
• Prepare agendas, synthesize notes, and ensure accountability on next steps.
• Draft and manage high-level correspondence, presentations, and reports.
• Interface confidently with senior leaders, clients, board members, and external partners.
• Maintain confidentiality, professionalism, and executive presence at all times.
• Continuously improve workflows, tools, and processes to drive efficiency.
• Own recurring processes such as quarterly business reviews, goal tracking, or key reports.
• Support internal events, leadership offsites, or company-wide communications.

• Significant experience supporting C-level or SVP-level executives in fast-paced, complex, and highly matrixed organizations.
• Outstanding written and verbal communication skills, with experience drafting executive communications, presentations, and briefing materials.
• High level of discretion and professionalism in handling confidential and sensitive matters.
• Expert calendar and priority management skills, with the ability to anticipate needs and navigate competing demands.
• Proven experience coordinating cross-functional initiatives and partnering effectively with senior stakeholders.
• Strong business acumen with exposure to operations, strategy, or corporate functions.
• Advanced proficiency in Google Workspace or Microsoft 365 (including Outlook, PowerPoint, Excel, Teams), along with collaboration tools such as Copilot and Zoom.
• Experience organizing executive travel (domestic and international), leadership meetings, board materials, and large-scale events.
• Financial coordination experience including expense management, budget tracking, and vendor oversight.
• Ability to thrive in ambiguous environments, exercise sound judgment, and represent leadership with professionalism and executive presence.
• Bachelor’s degree in Business Administration, Operations, Communications, or a related field, is desired.
• Professional experience in startup, technology, consulting, or corporate environments, is desired.

This role is not eligible for Mastercard’s work authorization sponsorship. As such, candidates must be eligible to work in the United States now as well as in the future, without employer sponsorship.

Mastercard is a merit-based, inclusive, equal opportunity employer that considers applicants without regard to gender, gender identity, sexual orientation, race, ethnicity, disability, or veteran status, or any other characteristic protected by law. We hire the most qualified candidate for the role. In the US or Canada, if you require accommodations or assistance to complete the online application process or during the recruitment process, please contact reasonable and identify the type of accommodation or assistance you are requesting.

Do not include any medical or health information in this email. The Reasonable Accommodations team will respond to your email promptly.

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