As technology enterprises scale, the complexity of coordinating innovation, capital allocation, and market responsiveness increases exponentially. While product management has traditionally been positioned as a feature-oriented coordination role, scalable organizations increasingly rely on product  leaders to architect value creation across engineering, finance, and go-to-market systems. This paper advances a strategic governance framework that reconceptualizes product management as an enterprise-level decision architecture function rather than an operational intermediary. Drawing from strategic management theory, corporate governance principles, and platform economics, the study develops an integrated model for aligning product portfolios with long-term enterprise value. The framework articulates how product management can function as a mechanism for strategic intent translation, portfolio coherence, capital efficiency, and adaptive risk management. By positioning metrics, roadmaps, and cross-functional authority structures as governance instruments, this paper contributes a novel perspective to both academic discourse and executive practice. The findings suggest that scalable technology enterprises achieve sustained value creation not through isolated innovation, but through disciplined product governance systems that integrate strategic foresight with measurable economic outcomes.