Anthropic is seeking a strategic Segment Marketing Lead to support the startup marketing strategy, partnering directly with leading VCs to help AI-native startups and developers build with Claude. This is a 0-to-1 opportunity to be the first dedicated startup segment marketer, building strategy and program infrastructure from the ground up. The role involves defining how Anthropic engages with the fastest-growing segment in technology and becoming the company's face to the VC ecosystem. Key responsibilities include enabling strategic VC partnerships, designing account-based marketing programs, creating developer and founder engagement strategies, executing targeted events, and adapting product marketing messages for startup audiences. The primary objectives are to build alignment with the VC ecosystem, scale pipeline generation within AI-native startup segments, establish Anthropic as the AI partner of choice for high-growth startups, and drive developer and founder adoption through authentic technical engagement.