Executive Assistant

Reposted 2 Days Ago
San Francisco, CA, USA
Hybrid
Senior level
Artificial Intelligence
The Role
Support the CEO by managing calendar, communications, travel, and high-stakes scheduling. Coordinate company operations, hiring logistics, board materials, and cross-functional projects. Use AI tools to draft communications and automate workflows while handling confidential information and strategic ad hoc initiatives.
Summary Generated by Built In
About Rhythms

Rhythms is building the AI business execution system that enables enterprises to become AI-native—fundamentally rethinking how organizations operate, execute, and scale.

We're founded by entrepreneurs who built and sold Chronus (acquired by PE) and Ally.io (acquired by Microsoft). We've raised a $26M seed round from top investors including GreenOaks, Madrona, and Accel, alongside CXOs from global technology leaders—earning GeekWire's 2024 Deal of the Year and named a 2025 AI Innovation of the Year finalist.

Rhythms transforms how enterprises become AI-native by connecting strategic planning and OKRs directly to day-to-day execution and real-time progress tracking. Built on multi-agent AI architecture, our platform connects with Slack, Teams, Jira, Linear, and other daily tools to automate operational workflows, surface predictive insights and risks, eliminate manual status updates, and build organizational memory that grows smarter over time. Enterprise customers choose us because we're making agentic AI reliable enough to run critical business operations.

The Role

We're hiring an Executive Assistant to work directly with our CEO and co-founder. You'll be the operational engine that keeps the CEO effective and the company running smoothly.

You'll own the CEO's calendar, communications, and operational rhythm while taking on strategic projects that directly impact the business—from hiring coordination to company operations to customer meeting prep. The best way to think about this role: you treat the CEO's time as the company's most valuable resource and you protect it accordingly.

This is a high-trust, high-autonomy role. You'll have visibility into every part of the business—product, strategy, customers, hiring—and you'll use that context to anticipate needs before they're asked.

What You'll Own
  • CEO's time and calendar: Manage complex, high-stakes scheduling across investors, board members, customers, and the leadership team. Prioritize effectively—every meeting has context, an agenda, and clear outcomes.

  • Company operations: Coordinate leadership offsites, all-hands, team events, and onboarding logistics for new hires. Help prepare materials for quarterly board meetings. Be the connective tissue across a distributed team (Seattle, SF, Hyderabad, Chennai).

  • Hiring coordination: Partner with the People team to schedule interviews, manage candidate experience, and keep recruiting moving at startup speed.

  • Communications: Draft emails, memos, and updates on behalf of the CEO—to customers, partners, and the team. You represent the CEO's voice with precision and professionalism.

  • Strategic projects: Research, analyze, and execute on ad hoc priorities. This could range from vendor evaluation to event planning to competitive research to preparing customer meeting briefs.

  • Travel and logistics: Plan domestic and international travel, process expenses, and handle logistics for conferences and customer visits.

What We're Looking For

Experience

  • ~5 years as an EA or operations lead supporting a C-level executive at a tech startup or high-growth company

  • You've supported founders or CEOs through board management and rapid scaling—not just calendar management

  • Comfortable with tools like Notion, Slack, Linear, Google Workspace, and modern collaboration platforms

  • Experience coordinating across distributed teams and time zones

AI-First Mindset

  • You already use AI tools daily—Claude, ChatGPT, Notion AI, Zapier, etc.—to draft communications, summarize meetings, and automate repetitive workflows

  • You're curious about new tools and look for ways to make yourself and the team more productive

  • We're an AI company—we expect our team to live it, not just talk about it

Operator

  • You don't wait for instructions—you see what needs to happen and do it

  • You can juggle 15 things at once without dropping any. You have a system, and it works.

  • Strong written and verbal communication—you'll draft executive emails, meeting briefs, and internal memos

  • Detail-oriented: you sweat the small stuff because you know it matters

  • You move at startup pace

Judgment and Discretion

  • You'll have access to highly sensitive information—financials, strategy, and personnel decisions

  • Absolute trust and confidentiality are non-negotiable

Cultural Fit (Non-Negotiables)

  • Owner mentality: You don't draw boundaries around your job. You do what needs to be done.

  • Highly resourceful: You figure things out with limited resources and ambiguous direction

  • Growth mindset: You're constantly improving yourself and how the team works

  • Systematic thinker: You value documentation, clear communication, and building repeatable processes

What You'll Get
  • Front-row seat to how an AI startup scales from early stage to market leadership

  • Direct daily partnership with a serial entrepreneur CEO (ex-Microsoft Corporate VP, two successful exits)

  • Visibility into every part of the business—product, engineering, sales, hiring

  • High ownership and autonomy—we trust people to run with things

  • Competitive salary and early-stage equity

  • Based in Bay Area with regular collaboration with Seattle/Redmond team

Not a Fit If
  • You want a role with clearly defined boundaries and predictable hours

  • You prefer large, structured organizations with established processes

  • You need detailed instructions before taking action

  • You're not excited about working at an AI-first company

Top Skills

Chatgpt
Claude
Google Workspace
JIRA
Linear
Notion
Notion Ai
Slack
Teams
Zapier
Am I A Good Fit?
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The Company
HQ: Bellevue, WA
22 Employees
Year Founded: 2023

What We Do

Today, we are at a pivotal moment: the rise of generative AI, the prevalence of hybrid workplaces, and the imperative to do more with less are reshaping how organizations function. This new landscape demands a fresh approach to organizational productivity. We believe that the success of teams and organizations is governed by their internal rhythms – the fundamental processes that drive every aspect of their operation. Yet, these rhythms are poorly understood and managed in most organizations, resulting in chaotic, siloed, frustrating, unpredictable and uneven performance. We are building an AI-powered operating system to enable enterprises to understand, streamline, and orchestrate their rhythms, elevating the performance of every team to be best-in-class. Our ambition is to transform how teams and businesses operate everyday - to drive higher performance and bring joy into work. Our CEO, Vetri Vellore, is a successful serial entrepreneur whose previous venture, Ally.io, was acquired by Microsoft in 2021. He was most recently a Corporate Vice President at Microsoft. Our founding team has a successful track record having worked together in the two previous startups. We raised $26m seed round in December 2023 from top-tier VC firms. We are looking for a few highly-talented, driven, future entrepreneurs to join our mission.

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