As a Product Manager at MongoDB, Marcus Eagan works on the cloud-only product Atlas Search, which offers flexible data modeling and rapid iteration. He emphasizes the importance of empathy and understanding his customers' needs as the primary persona he focuses on. With a large and diverse team, Marcus navigates challenges such as limited knowledge of technical teams and lack of processes in place for product managers to be influential thought leaders. To overcome these obstacles, he relies on data-driven justification and effective communication with various teams. Working closely with customers, including executives, architects, dev ops engineers, developers, and data scientists, Marcus drives the roadmap for Atlas Search, prioritizing customer needs and building a close relationship with demanding workloads. He highlights MongoDB's unique environment of inclusivity and diversity, where underrepresented team members are empowered to contribute their ideas. With a strong focus on customer satisfaction, Marcus aims to build a world-class search experience that supports tens of thousands of customers across various domains.