Over the past decade, venture capital (VC) syndication has fundamentally transformed from a defensive risk-sharing mechanism into an indispensable strategic necessity for large-scale innovation. Driven by the rapid expansion of capital-intensive frontier technologies, such as artificial intelligence (AI) and deep-tech, solo venture investing has become mathematically unfeasible in contemporary markets. This structural shift was heavily underscored in 2025, when global venture capital deployment reached $425 billion, with mega-deals exceeding $500 million accounting for nearly half of all deal activity by value. To understand this paradigm shift, this thesis provides an integrative, cross-regional review combining foundational theoretical frameworks with recent industry data.