Winners' Circle
Rakesh Ravuri is helping enterprises modernize legacy systems with AI while preserving the context, governance, and explainability that complex organizations require. As CTO of Publicis Sapient, he leads technology for a digital transformation company helping clients evolve through each major technology shift, from the internet and e-commerce to mobile, cloud, and now AI. Publicis Sapient’s Slingshot platform recently won an AI Excellence Award for its work accelerating software development and legacy modernization. In this episode, Russ and Rakesh explore how Slingshot began as an internal AI tool after the rise of ChatGPT, then evolved into a platform for AI-assisted engineering, modernization, and enterprise transformation. Rakesh explains why Publicis Sapient first built a secure internal chat tool to protect client data, then extended it with APIs, developer plugins, and eventually a modernization workflow. They dive into the legacy technical debt problem, especially large COBOL systems that still power critical business functions in finance, healthcare, telecom, and other enterprise environments. Rakesh explains how Slingshot breaks large codebases into intelligent chunks, extracts business rules, creates specifications, generates new code, and supports modernization without relying on armies of retired COBOL experts. The conversation also covers why context is the key to useful enterprise AI. Rakesh explains Publicis Sapient’s enterprise context graph, which connects strategy, product, engineering, experience, data, code, tests, prompts, and decisions so AI can understand not just what to build, but why it matters. Along the way, Rakesh discusses AI governance, provenance, explainable code, human-in-the-loop review, deterministic testing, regulated environments, reusable enterprise prompts, agentic workflows, and why the future of AI transformation depends on capturing both enterprise knowledge and enterprise behavior. Topics Covered: [00:01] Welcome and intro, Rakesh Ravuri and Publicis Sapient’s AI Excellence Award win [00:38] Publicis Sapient’s background in digital transformation [01:43] AI as the latest transformation trigger [02:33] How Slingshot began as an internal AI tool [02:53] Building a secure internal ChatGPT-style platform [04:10] Creating APIs and early developer plugins [05:13] The legacy technical debt problem [05:52] Using AI to understand millions of lines of COBOL code [06:45] Intelligent chunking and context layers for large codebases [07:55] Moving from code to specification to new code [09:10] Whyhot’s first-principles approach outperformed brute-force code conversion [10:24] Why COBOL modernization has waited decades [13:19] What an enterprise context graph is and why it matters [15:30] Local context versus enterprise context [17:25] Why developers need the business context behind a product decision [18:14] Slingshot as a GPS for modernization [20:00] Explainability, maintainability, and code provenance [21:56] Governance for regulated industries [22:11] Measuring how much code was generated by AI [23:24] Explainable code over working code [24:08] Using context to investigate hallucinations and errors [25:43] Making expert knowledge repeatable [27:15] Building trust through proof-of-concept work [29:10] Guardrails, test cases, and deterministic evaluation [30:53] First conversations CTOs should have about legacy modernization [32:04] How Slingshot differs from coding tools like Copilot and Cursor [35:43] How AI changes teamwork across the software lifecycle [36:11] Shared prompt libraries and enterprise standards [39:56] Capturing enterprise behavior, not just enterprise data [43:59] Final thoughts on AI-driven transformation and modernization
75 episodios
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