Agency Development Manager

SpaceXAI’s mission is to create AI systems that can accurately understand the universe and aid humanity in its pursuit of knowledge. Our team is small, highly motivated, and focused on engineering excellence. This organization is for individuals who appreciate challenging themselves and thrive on curiosity. We operate with a flat organizational structure. All employees are expected to be hands-on and to contribute directly to the company’s mission. Leadership is given to those who show initiative and consistently deliver excellence. Work ethic and strong prioritization skills are important. All employees are expected to have strong communication skills. They should be able to concisely and accurately share knowledge with their teammates.

As the Head of Independent Agencies at X, you will own our independent and performance agency portfolio and third-party partnerships. You will drive revenue growth through strategic relationships, education, and ideation directly with agencies — and own a focused set of partner relationships that help agencies and sellers evaluate and scale X.

You will develop strategic relationships across critical indy and performance agencies. You will partner with Client Partners, Mid-Market sales, product/measurement, and broader agency leadership to deliver a cohesive engagement plan. You will also arm agencies with the knowledge and tools to innovate and sell through ideas featuring X — including measurement guidance via partners.

This is a senior individual-contributor role with commercial influence; the remit may grow over time.

• Increase revenue across agency-driven accounts and unlock new advertisers

• Build trusted partnerships, expand and deepen relationships, and facilitate active communication between agencies and X

• Partner with Client Partners and Mid-Market sales on agency support plans, growth strategies, and day-to-day matters to remove blockers

• Develop and deliver educational programs (Lunch & Learns, product updates, bootcamp-style training) on products, brand safety, measurement, and best practices for advertising on X

• Demonstrate how and why people use X to help marketers identify and inspire authentic uses of X for their brands and clients

• Ensure agency voice, opinions, ideas, and feedback are conveyed back to Marketing, Product, and Measurement — including input on advertiser insights and needs for new products, features, and solutions

• Develop first-class programs that uplevel creative and commercial thinking and deliver positive business impact for agency clients

• Discover, catalog, and create great X usage stories that shape how agencies and brands understand X

• Coordinate with holding-company / Big 6 agency leads where coverage overlaps, while remaining the dedicated indy/performance owner

Own and grow the third-party measurement partner portfolio; build senior relationships and plans aligned to X’s product and commercial priorities

• Translate measurement capabilities into clear value for partners and practical guidance for agencies and sellers

• Drive joint go-to-market with partners and cross-functional teammates; prioritize highest-impact work and keep partner vs. agency messaging coordinated

• 8–12+ years experience in an agency, media sales, agency development, or