Executive Administrative Assistant to COO

MSCI • New York, NY

3d • Hybrid

About The Position

MSCI is seeking a highly skilled and proactive Executive Assistant to support the Chief Operating Officer (COO)/Head of Analytics and team. The ideal candidate will operate with a high level of discretion and efficiency, partnering closely with the executive and team to manage shifting priorities, cross-functional engagements, and high-impact initiatives. The person in this role is confident, detail-oriented, adaptable, and thrives in a fast-paced, evolving environment. This is an exceptional opportunity to contribute meaningfully to MSCI's leadership and strategic priorities.

Requirements

• 5-7 years of experience supporting senior executives in a global, high-demand business environment
• Strong ability to operate with discretion, sound judgment, and professionalism under pressure
• Excellent written and verbal communication skills; professional presence and high emotional intelligence
• Demonstrated track record of anticipating needs, solving problems, and managing complexity
• Exceptional organization, time management, and attention to detail
• High degree of comfort handling confidential, strategic, or high-visibility matters
• Proficiency with AI productivity tools such as ChatGPT, Microsoft Copilot, or similar
• Strong command of Microsoft Office 365 Suite (Outlook, Word, Excel, PowerPoint, Teams, SharePoint)
• Virtual meeting platforms (Microsoft Teams, Zoom)
• Navan (travel) and Concur (expense management)
• Must be within a two-hour commutable distance of the MSCI

Responsibilities

• Manage a dynamic, high-volume calendar across dual responsibilities (COO / Head of Analytics) with constant re-prioritization and decision-support needs
• Anticipate scheduling conflicts and proactively make judgment-based adjustments to reflect business priorities
• Coordinate leadership team meetings, strategic initiatives, and cross-functional check-ins
• Manage complex domestic and international travel and process expense reports per MSCI policy
• Prepare meeting documents and support follow-up on key action items and decisions
• Draft and edit high-quality communications and presentations
• Serve as liaison between the executive, leadership team and internal/external stakeholders
• Support or lead special projects, internal initiatives, and external events such as town halls and off-sites
• Track timelines and deliverables to ensure objectives are met
• Provide on-site logistical support including conference room reservations and set ups (audio/video connection, catering, seating arrangements); guest coordination
• Partner with the Administrative Community to optimize office management and provide back-up support as needed

Benefits

• Transparent compensation schemes and comprehensive employee benefits, tailored to your location, ensuring your financial security, health, and overall wellbeing.
• Flexible working arrangements, advanced technology, and collaborative workspaces.
• A culture of high performance and innovation where we experiment with new ideas and take responsibility for achieving results.
• A global network of talented colleagues, who inspire, support, and share their expertise to innovate and deliver for our clients.
• Global Orientation program to kickstart your journey, followed by access to our Learning@MSCI platform, AI Learning Center , LinkedIn Learning Pro and tailored learning opportunities for ongoing skills development.
• Multi-directional career paths that offer professional growth and development through new challenges, internal mobility and expanded roles.
• We actively nurture an environment that builds a sense of inclusion belonging and connection, including eight Employee Resource Groups. All Abilities, Asian Support Network, Black Leadership Network, Climate Action Network, Hola! MSCI, Pride & Allies, Women in Tech, and Women's Leadership Forum.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Education Level: No Education Listed
• Number of Employees: 5,001-10,000 employees