Remote Executive Assistant to COO | Global Operations

The Susan Thompson Buffett Foundation; United States; Remote; USD 114,000 - 130,000; Full time

Job summary

The Susan Thompson Buffett Foundation is seeking an Executive Assistant to support the COO and Chief of Staff, managing complex calendars, travel logistics, and broad administrative needs across the Operations team. This remote-eligible role requires proactive, mission-driven work ethic.

Ideal candidates will have at least 6 years of executive support experience, excellent written and verbal communication, and strong Microsoft 365 proficiency for documents, reports, and events.

Qualifications

• Minimum of 6 years experience supporting executives in medium-to-large organizations.
• Excellent written and verbal communication skills.
• Demonstrated ability to steward executive time and prioritize accordingly.
• Experience managing administrative processes independently for executives.
• Proficiency with Microsoft tools (Word, Excel, Outlook, Teams, SharePoint, OneDrive, OneNote, CoPilot).

Responsibilities

• Provide full calendar management for the COO and assist Chief of Staff with complex meetings across time zones.
• Coordinate international and domestic travel logistics for the COO and travelers.
• Prepare meeting agendas and assemble materials; submit monthly expense reports.
• Support office logistics, events, and internal communications for the Operations team.
• Assist with SharePoint maintenance, documents, and newsletters.

Skills

Calendar management

Executive support

Communication

Time management

Microsoft 365

Tools

Microsoft Word

Excel

Outlook

Teams

SharePoint

OneDrive

OneNote

CoPilot

Job description

The Susan Thompson Buffett Foundation is seeking an Executive Assistant to support the COO and Chief of Staff, managing complex calendars, travel logistics, and broad administrative needs across the Operations team. This remote-eligible role requires proactive, mission-driven work ethic.

Ideal candidates will have at least 6 years of executive support experience, excellent written and verbal communication, and strong Microsoft 365 proficiency for documents, reports, and events.