Executive Assistant and Office Manager

Location: New York

Company Overview

Model ML is the AI workflow builder transforming how major financial institutions produce and validate client-ready work. Model ML converts complex, manual processes into fully automated AI systems that scale across global teams. In under a year, we have become one of the fastest growing enterprise AI platforms worldwide and recently closed a $75 million Series A, one of the largest fintech Series A rounds on record. The round was backed by FT Partners, Y Combinator, LocalGlobe, QED, 13books, and other top global investors, bringing total funding to $90 million.

The Role

We’re hiring a world-class Executive Assistant and Office Manager to support our executive team and build the operational backbone of our New York office. You’ll work directly with the CSO, to ensure their time, attention, and environment are optimised for speed and impact. This role is for someone who thrives in fast-moving environments, anticipates needs before they arise, and brings order and momentum to high-intensity teams.

This is a foundational hire for our New York office. You will set the standard for operational excellence, culture, and rhythm across one of our most important global hubs.

What You’ll Be Responsible For

Executive Support

• Own the scheduling, coordination, and prioritisation of the CSO and senior leadership’s time.
• Prepare executives for internal and external meetings, ensuring they always walk in with what they need.
• Manage follow-ups, action tracking, and internal alignment across teams.
• Act as an extension of the executive team across communications, planning, and day-to-day execution.

Office Management

• Build and run the operating system of the New York office.
• Ensure the space runs smoothly, from supplies and vendors to workspace organisation and daily logistics.
• Coordinate team onsite days, leadership offsites, and visiting teams from London, San Francisco, and Hong Kong.
• Lead onboarding for new NY hires, partnering with People and Ops to create a five star new hire experience.

Operations and Rhythm

• Create systems, processes, and structure that allow the office and executives to move faster with fewer bottlenecks.
• Support expense management, travel arrangements, planning, and coordination across teams.
• Drive culture building initiatives, events, and rituals that reinforce Model ML’s standards and ambition.

What You Can Expect

• You will be joining at a moment of hypergrowth. Priorities will shift and the bar will rise constantly.
• You’ll work directly with the founders and leadership team, owning critical operational workflows.
• You will shape the culture and environment of our New York office from day one.
• Your role will have significant visibility and influence across the company.
• It will be the most demanding and career-defining EA and office operations role you have taken on.

What We’re Looking For

• 3 to 7 years of EA, chief of staff lite, office management, or operational support experience.
• Experience supporting senior executives in high-velocity environments.
• Exceptional organisational ability and attention to detail.
• Strong writing, communication, and judgement skills.
• High discretion and trustworthiness handling sensitive information.
• Ability to anticipate needs, remove obstacles, and solve problems before they escalate.
• A bias for action and a desire to operate in a fast, ambitious, high ownership environment.

What We Offer

• Competitive salary.
• A chance to build the operating system and environment for a category-defining AI company.
• A culture of intensity, trust, and impact where your work will matter every day.

To Close

We’re assembling a small group of exceptional people who want to help build something iconic. If you operate with precision, thrive in high expectations environments, and want a front row seat to building a generational company, we’d love to meet you.