As a Partner Development Manager for Build Partners at Anthropic, you will grow and develop our SI partner ecosystem, with a focus on AI-native SIs and regional SIs. This role is critical to building and scaling a partner program that enables a diverse portfolio of SI partners to bring Claude to enterprise customers worldwide. You'll manage relationships with assigned partners, develop joint go-to-market strategies, and build the scalable frameworks and processes that transform our emerging partner program into a repeatable, high-impact engine for partner success. You will work at the intersection of partner development and program operations—supporting pipeline growth and deal progression while also building the enablement programs, engagement models, and measurement systems that allow us to support a growing number of partners effectively. This role reports to our partnerships leadership and works closely with sales, product, and customer success teams to ensure our SI partners are equipped to win and deliver transformative AI solutions for their clients.