The GCS U.S. Large Enterprises Client Group manages strategic commercial services relationships with clients, including many multi-national organizations. This Client Manager, U.S. Large Enterprises, is responsible for deepening strategic account relationships and growing the corporate payments spend in a portfolio of approximately 10 clients in the United States. At American Express, our culture is built on a 175-year history of innovation, shared values and Leadership Behaviors, and an unwavering commitment to back our customers, communities, and colleagues. From delivering differentiated products to providing world-class customer service, we operate with a strong risk mindset, ensuring we continue to uphold our brand promise of trust, security, and service. As part of Team Amex, you'll experience our powerful backing with comprehensive support for your holistic well-being and many opportunities to learn new skills, develop as a leader, and grow your career. Here, your voice and ideas matter, your work makes an impact, and together, you will help us define the future of American Express. * Minimum of 5 years prior strategic relationship management and/or sales experience. * Must possess a sense of urgency and deep resilience to drive results and win. * Experience with managing complex and challenging clients. * Proven relationship management skills demonstrating a comfort and effectiveness in establishing relationships at C-levels and within cross-functional areas within Fortune 500 companies. * Experience with the following industries preferred: Business & Professional Services, Financial Services, Information Technology, Media & Entertainment. Employment eligibility to work with American Express in the United States is required as the company will not pursue visa sponsorship for these positions. * Serve as payments expert to proactively provide expertise on policies, benchmarking, and recommendations to optimize programs, reduce costs and drive efficiencies for clients. * Identify portfolio growth opportunities and deliver on plan to achieve, collaborating with internal resources to drive spend expansion/growth. * Lead development of proposals and pricing for client renewals and expansion, negotiate client contracts, and oversee implementation of solutions. * Engage, develop, and strongly influence mobilizers across multiple levels within the client's organization to demonstrate American Express' differentiated value and achieve profitability objectives. * Influence and innovate to overcome complex client barriers, resolve escalated issues, and manage internal stakeholders. * Identify and develop relationships with decision-makers within client organizations to influence program management and growth. * Serve as payments expert to proactively provide expertise on policies, benchmarking, and recommendations to optimize programs, reduce costs and drive efficiencies for clients. * Identify portfolio growth opportunities and deliver on plan to achieve, collaborating with internal resources to drive spend expansion/growth. * Lead development of proposals and pricing for client renewals and expansion, negotiate client contracts, and oversee implementation of solutions. * Engage, develop, and strongly influence mobilizers across multiple levels within the client's organization to demonstrate American Express' differentiated value and achieve profitability objectives. * Influence and innovate to overcome complex client barriers, resolve escalated issues, and manage internal stakeholders. * Identify and develop relationships with decision-makers within client organizations to influence program management and growth.