Lead development of complete partner-ready offer packages for assigned solutions, including offer narrative, customer problem, target buyer, use cases, business outcomes, NTT DATA value proposition, partner role, differentiation, delivery approach, proof points, qualification criteria, and target-account guidance. Work with business units, industry leaders, Partner Sales, Practices, partners, and client-facing teams to sharpen the target customer problem, buyer personas, buying triggers, use cases, target-account characteristics, and market context for assigned solutions.