Executive Assistant

About Stack AI

Stack AI is building at the forefront of applied artificial intelligence, transforming how companies leverage AI to drive impact at scale. We’re a fast-moving, high-growth startup with global ambitions, and we’re looking for an exceptional Executive Assistant & Office Manager to be a critical partner to our leadership team.

This role is not a typical EA position, you’ll be deeply embedded in our business, working closely with our Co-Founders and COO, ensuring they are operating at peak efficiency. You’ll also own office operations in our San Francisco headquarters and serve as a cultural ambassador for our team.

If you’re proactive, detail-oriented, and thrive in a dynamic environment where priorities shift quickly, we’d love to meet you.

What You’ll Do

Executive & Administrative Support

• Manage complex calendars and scheduling across multiple executives, balancing priorities across investors, customers, and internal stakeholders.
• Prepare leadership for meetings with agendas, briefing materials, and research.
• Handle domestic and international travel logistics, including flights, accommodations, and itineraries.
• Manage expense reports, budgets, and financial documentation with accuracy and discretion.
• Anticipate needs, solve problems before they arise, and keep executives focused on the highest-priority initiatives.
  
  

Meeting & Communication Coordination

• Organize executive and board meetings, including agenda creation, logistics, note-taking, and follow-up.
• Coordinate high-stakes events, conferences, and offsites, ensuring every detail is flawless.
• Act as a professional, diplomatic point of contact between executives and internal/external partners.
• Handle sensitive and confidential information with the utmost discretion.
  
  

Office & Operations Management

• Serve as primary liaison with building management and vendors for our office.
• Ensure the office is running smoothly, stocked, and set up for a productive and welcoming environment.
• Oversee IT, AV, and hybrid meeting setup to ensure seamless operations.
• Greet and host guests, customers, and candidates, representing Stack AI’s brand and culture when onsite
  
  

Culture & Team Experience

• Partner with leadership to plan company-wide events, all-hands, and team offsites.
• Serve as a culture carrier, promoting a positive, collaborative, and high-performance environment.
• Support recruiting and onboarding efforts as needed.
  
  

Special Projects

• Own and drive cross-functional projects that directly support executive priorities.
• Provide analytical, research, or operational support to accelerate decision-making.
• Act as a thought partner to leadership by spotting gaps, suggesting improvements, and executing initiatives.
  
  

Who You Are

• Experienced: 5+ years in an Executive Assistant or strategic operations role at a fast-paced startup (Series A/B+ preferred).
• Proactive & Strategic: Anticipates needs, solves problems independently, and connects day-to-day actions to long-term goals.
• Organized & Detail-Oriented: Thrives on bringing structure to chaos, balancing multiple priorities without dropping the ball.
• High EQ Communicator: Strong interpersonal and written communication skills; able to build trust and influence at all levels.
• Adaptable & Responsive: Comfortable with shifting priorities and available to flex after hours when business needs arise.
• Tech-Savvy: Highly proficient with Google Workspace, Slack, spreadsheets, project management tools, and modern workplace software.
• Culture Builder: Values integrity, discretion, and teamwork; excited to help shape and represent the culture of Stack AI.
  
  

Role Details

• Location: Hybrid. In-person at our San Francisco office (next to Salesforce Park) 2 days per week, with flexibility for additional days during events, customer visits, or high-priority projects.
• Hours: Core business hours are 9am–6pm PT, with occasional flexibility required for executive travel, customer meetings, or urgent priorities.
  
  

Compensation Range: $90K - $140K