About Anthropic Anthropic’s mission is to create reliable, interpretable, and steerable AI systems. We want AI to be safe and beneficial for our users and for society as a whole. Our team is a quickly growing group of committed researchers, engineers, policy experts, and business leaders working together to build beneficial AI systems. About the role We are looking for an Accounts Receivable Specialist to join our Invoice to Cash (I2C) team within Revenue Accounting. In this role, you will own a portfolio of customer accounts and drive the collections lifecycle end to end: proactive outreach, dunning, dispute resolution, and ensuring customers pay in accordance with their contractual terms. You will be measured against clear SLAs and KPIs, including cash collection targets, DSO, CSAT, daily outreach volume, and QA reviews of your work. Anthropic is growing quickly, and our I2C function is scaling with it. Beyond day to day portfolio management, we are looking for someone who will be a strong team contributor: sharing and absorbing best practices, helping shape our playbooks, and bringing thoughtful recommendations to improve our I2C processes and automation tooling. Responsibilities: Own end to end collections activity for an assigned customer portfolio, executing against established dunning schedules and escalation paths Conduct proactive customer outreach via email, phone, video, and other channels to secure on time payment in line with contractual terms Investigate and resolve customer disputes and billing inquiries, partnering with internal stakeholders across Sales, Customer Success, Billing, Legal, and Revenue Accounting to ensure issues are prioritized and resolved in a timely manner Consistently meet or exceed SLAs and KPIs, including cash collection targets, DSO, CSAT, daily outreach, and internal QA reviews Maintain accurate, detailed notes of all customer interactions, commitments, and dispute status in our ERP and in Tesorio Monitor AR aging,