Executive Assistant, Legal & Partnerships

Sierra · San Francisco, CA · Sales & BD

Posted 2026-10-26

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WHAT YOU'LL DO:

- As an Executive Assistant supporting the leadership function at Sierra, you will provide a wide range of strategic and administrative support to our General Counsel and our Partnerships leaders.

- Proactively manage several leaders' calendar, travel, and meetings.

- Collaborate with leaders and team members to ensure meetings are effective by sending preparation materials, following up on action items, and serving as a knowledgeable resource on relevant topics or organizational matters.

- Draft team and external correspondence on behalf of the leader. Liaise with internal staff and external stakeholders, building and maintaining strong relationships on behalf of the leader.

- Maintain a high level of confidentiality and discretion with all materials and information.

- Plan and execute internal events (in-person and virtual), including team offsites, trainings, and team travel. Book travel and hotel accommodations, negotiating contracts as needed.

- Establish new—and improve existing—administrative systems and processes as part of Sierra’s founding admin team.

WHAT YOU'LL BRING:

- 5+ years of Executive Assistant or similar experience.

- Ability to build relationships and partner effectively with cross-functional teams and external partners.

- Excellent time management skills, willingness and ability to quickly shift tasks and priorities, and anticipate the needs of others before they arise.

- Ability to organize, analyze, and prioritize executive workflows, often interpreting and leveraging data.

- Willingness and ability to be in the San Francisco office 4 days per week and ability to travel with leaders if needed (~est 1x per quarter).

- Advanced proficiency with Google Suite & Slack.

EVEN BETTER...

- Experience in a fast-growing, in-person start-up environment.

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