Senior EA to CEO | AI Startup (Equity, Remote)

55 Exec Search, incorporated; San Francisco (CA); Hybrid; USD 90,000 - 140,000; Full time

Benefits offered by this job

Equity potential

Flexible hybrid work

International collaboration

Job summary

55 Exec Search, incorporated is seeking a Senior Executive Assistant to the CEO for a US & UK based AI technology startup. Based in San Francisco, the role supports a CEO who travels between the UK and US and collaborates across time zones.

The ideal candidate brings 5+ years of C-suite support in fast‑growing tech, superior organizational skills, and a talent for creating polished client materials. Hybrid work is expected, with some UK-hours flexibility and equity consideration.

Qualifications

• 5+ years experience as an Executive Assistant or similar role supporting C-suite executives in a start-up or high-growth tech environment.
• Strong experience with Google Workspace (Docs, Sheets, Slides, Drive, Calendar).
• Experience supporting a remote executive or working across multiple time zones.
• Exceptional organizational skills with strong attention to detail.
• Proven ability to create polished pitch decks and client-facing presentations.
• Outstanding written and verbal communication skills.
• High level of discretion and ability to handle sensitive information.
• Proactive, resourceful, and able to work independently with minimal supervision.
• Adaptable to a fast-paced, high-growth start-up environment.
• Flexibility to work extended or non-traditional hours to support UK operations.
• Genuine interest in AI, technology, and innovation.

Responsibilities

• Provide proactive, high-level administrative support to the CEO.
• Manage a complex calendar across US, UK, and global time zones.
• Coordinate travel arrangements and itineraries for domestic and international trips.
• Prepare and assist in creating deliverables such as pitch decks and client presentations.
• Support stakeholder communications and client engagement initiatives.
• Participate in team meetings and follow up on action items.
• Serve as liaison between CEO and internal/external stakeholders with discretion.
• Assist in project management and tracking deliverables.
• Anticipate CEO needs and provide strategic support to improve efficiency.
• Be flexible to work outside standard hours to align with UK operations.

Skills

Executive support

Calendar management

Communication

Discretion

Multi-timezone coordination

Tools

Google Workspace

Job description

55 Exec Search, incorporated is seeking a Senior Executive Assistant to the CEO for a US & UK based AI technology startup. Based in San Francisco, the role supports a CEO who travels between the UK and US and collaborates across time zones.

The ideal candidate brings 5+ years of C-suite support in fast‑growing tech, superior organizational skills, and a talent for creating polished client materials. Hybrid work is expected, with some UK-hours flexibility and equity consideration.