Founders Associate

About the role

You will own the operational backbone that allows the CEO and Chief of Staff to move at AI speed without sacrificing precision. You will act as the internal orchestrator, designing workflows that ensure critical initiatives are tracked, risks are surfaced early, and follow-through is baked into every project. You will serve as the primary user of Claude inside Rillet, building and scaling automations that amplify the work of finance and operations teams. You will translate ambiguous business needs into clear, executable plans that deliver results faster than traditional management structures allow. You will be responsible for maintaining the integrity of communication, both internally and externally, ensuring that board materials and investor updates reflect the highest level of accuracy and strategic clarity. You will partner with every function to model outcomes, stress-test assumptions, and turn raw data into decisions that move the business forward.

Key facts

What you'll do

• Assume ownership of Claude as the core AI tool at Rillet, becoming the in-house expert who builds, tests, and deploys automations for the CEO and Chief of Staff.
• Act as the primary tracker for high-priority initiatives, monitoring progress in real time and surfacing blockers before they impact delivery.
• Draft and refine internal and external communications on behalf of the founders, including board memos, investor updates, and executive-level narratives.
• Deploy analytical models across GTM, finance, and customer experience domains to uncover trends in retention, sales efficiency, and unit economics.
• Design and run operational processes that connect finance, HR, and strategy into a single, coherent system.
• Own the project management of cross-functional initiatives, ensuring timelines are met, dependencies are managed, and outcomes are measurable.
• Function as the connective tissue of the organization, aligning teams, clarifying decision rights, and preventing work from falling through the cracks.
• Support the CEO and Chief of Staff in day-to-day execution, from drafting notes to coordinating priorities and closing key gaps.
• Build and maintain a culture of speed and accountability, where follow-through is expected and ambiguity is quickly resolved.
• Partner with EY and KPMG to ensure that internal processes meet the standards of top-tier accounting and finance teams.
• Identify patterns in stalled projects and drive corrective action, turning operational friction into scalable solutions.
• Continuously iterate on internal tools and workflows so that Rillet can scale its AI-native ERP without being constrained by manual processes.

Requirements

• 1-3 years of experience in management consulting, investment banking, or a BizOps or strategy role at a high-growth startup.
• Extensive hands-on experience with Claude, demonstrating the ability to leverage large language models for productivity and automation.
• A proven track record of delivering results in fast-moving, ambiguous environments where direction is set with minimal hand-holding.
• An executional mindset that prioritizes completion and follows through on commitments without needing constant direction.
• Strong analytical capabilities, including comfort with building financial models, interpreting complex data sets, and translating insights into actionable recommendations.
• Exceptional written and verbal communication skills, with the ability to synthesize complex information for executive audiences.
• The capacity to manage frequent context switching while maintaining a high standard of quality and accuracy.
• A bias for action that enables you to solve problems independently before escalating them to leadership.

Nice to have

None specified.

Practical notes

• Hybrid schedule with in-person days on Tuesdays and Thursdays, plus one additional flexible day each week.
• Some roles may require additional time in the office based on team needs.
• Located in San Francisco, with openness to relocation for suitable candidates.
• No specific compensation details are provided in this listing.
• No visa sponsorship information, travel requirements, or application deadlines are listed in the source material.

This role is designed for someone who thrives in environments where speed meets precision, where accounting expertise meets AI-native software, and where ownership of outcomes is non-negotiable. The successful candidate will operate at the intersection of strategy, execution, and technology, ensuring that Rillet's internal operations and external commitments run seamlessly. You will be expected to move quickly, think analytically, and communicate with clarity, representing the company's values in every interaction. By aligning people, processes, and AI tools, you will help Rillet maintain its position as the trusted ERP for finance teams at the world's fastest-growing companies.