Strategic Executive Assistant to Senior Leaders

MSCI Inc.; New York (NY); On-site; USD 80,000 - 110,000; Full time

Job summary

MSCI Inc. is seeking a highly organized Executive Assistant to support multiple senior leaders in a fast-paced, client-focused environment.

This role requires discretion, proactive scheduling, and strong relationship-building across internal teams and external partners. You will manage calendars across time zones, arrange complex travel, coordinate large meetings and events, and handle ad hoc projects that drive operational efficiency.

Qualifications

• 5+ years of experience supporting senior-level management.
• Strong proficiency in Microsoft Office 365.
• Experience with travel and expense management.
• Excellent communication and discretion.
• Ability to manage complex calendars and events.

Responsibilities

• Manage complex executive calendars across time zones and prioritize commitments.
• Coordinate travel and expense reports, domestic and international.
• Plan and execute high-profile events, logistics and agendas.
• Liaise with executives and internal/external stakeholders.
• Support ad hoc projects and cross-functional initiatives.
• Improve administrative processes and workflows with the Admin Community.

Skills

Executive support

Calendar management

Travel coordination

Event planning

Communication

Discretion

Organizational skills

Tools

Microsoft Office 365

Navan

Concur

Microsoft Teams

Zoom

Job description

MSCI Inc. is seeking a highly organized Executive Assistant to support multiple senior leaders in a fast-paced, client-focused environment.

This role requires discretion, proactive scheduling, and strong relationship-building across internal teams and external partners. You will manage calendars across time zones, arrange complex travel, coordinate large meetings and events, and handle ad hoc projects that drive operational efficiency.