Varun Raj

Guest Author

Varun Raj is a cloud and AI engineering executive specializing in enterprise-scale cloud modernization, AI-native architectures, and large-scale distributed systems. His work focuses on designing and operationalizing cloud- and AI-native platforms, including generative AI and multi-agent systems, in highly regulated industries such as healthcare and financial services.

Enterprises are measuring the wrong part of RAG

Enterprises have moved quickly to adopt RAG to ground LLMs in proprietary data. In practice, however, many organizations are discovering that retrieval is no longer a feature bolted onto model inference — it has become a foundational system dependency.

Varun Raj

February 1, 2026