Founders’ Trusted Executive Assistant

Mill; San Bruno (CA); On-site; USD 175,000 - 200,000; Full time

Job summary

Mill is seeking an exceptional Executive Assistant to support two members of the executive team in San Francisco. You will manage calendars, draft communications, and coordinate with communications, people, and GTM teams while handling confidential information with discretion.

You will work across culture, operations, and strategy, using AI tools to move faster while maintaining human judgment. This role requires founder-ready collaboration and a calm, proactive approach.

Qualifications

• 7+ years supporting senior executives, ideally C-suite, in a fast-moving or high-growth environment, including exposure to HR/personnel-sensitive material.
• Sound judgment and composure operating in ambiguity, under pressure, and across sensitive confidences.
• Strong instinct for people and relationships, with genuine ease coordinating with other admins and calibrating to a "founder ready" standard.
• Fluent and resourceful with the AI tools that support our leaders.
• The kind of person other assistants want to work with, cross-admin collaboration and relationships are critical to this role.

Responsibilities

• Executive support & founder coordination: Manage a complex, fast-moving calendar, proactively resolving conflicts and protecting time for what matters most.
• Draft, edit, and proofread executive-level written communications — emails, memos, board materials, talking points — with precision and the right tone for the audience.
• Exercise independent judgment on what's urgent, what can wait, and what needs immediate escalation.
• Understand how to engage with your executive's direct reports across a wide remit — Comms/Public Affairs, People, and GTM (Marketing, Creative, Sales Enablement).
• Confidentiality & information management: Handle a high volume of sensitive material with absolute discretion.
• Operational excellence: Own the fundamentals flawlessly: travel, expenses, meeting logistics, briefing prep, follow-up tracking.
• Culture & team health: Serve as an informal pulse-check on team morale and dynamics and build trusted relationships across the org.

Skills

Executive support

Calendar management

Written communication

Discretion & confidentiality

Founders coordination

AI tools proficiency

Tools

Claude

Scheduling assistants

Transcription tools

Job description

Mill is seeking an exceptional Executive Assistant to support two members of the executive team in San Francisco. You will manage calendars, draft communications, and coordinate with communications, people, and GTM teams while handling confidential information with discretion.

You will work across culture, operations, and strategy, using AI tools to move faster while maintaining human judgment. This role requires founder-ready collaboration and a calm, proactive approach.