For much of the modern workplace, a career followed an extremely predictable trajectory. Organisations hired people for clearly defined roles, trained them within established functions, and expected expertise to accumulate steadily over time. The system was not flawless, but it was built around a reasonable assumption, that the roles people were preparing for would largely resemble the roles they would eventually perform. That assumption is starting to diminish.Across industries, the nature of work is evolving faster than the structures designed to prepare people for it. Not in ways that are always visible or dramatic, but in the daily reality of what organisations actually require. Functions that once had clear boundaries now overlap. A marketing leader may need to engage with data. A technology executive may need to understand workforce strategy. Professionals are being asked, more frequently than before, to operate well beyond the edges of the roles they were originally hired to fill.For decades, professional value was closely associated with depth. The more specialised an individual's knowledge, the greater their contribution. That principle still holds. Organisations continue to depend on specialists whose expertise cannot be easily replicated, and deep knowledge remains one of the most durable sources of professional value.Yet enterprises are increasingly looking for something alongside it. The ability to learn quickly, recalibrate, and apply existing knowledge in situations that did not exist when that knowledge was first acquired. The challenge is not that expertise has become less relevant. It is that many organisations are now operating in conditions where priorities shift faster than traditional development structures were built to accommodate.This creates a tension that most enterprises are still working through. Should workforce development focus on deepening expertise or building adaptability? Should future leaders be selected for what they know today or for their capacity to learn what they will need tomorrow? There are no settled answers. Most organisations need both, but few have found a coherent way to build for both simultaneously.What is becoming harder to ignore is that this is no longer purely a talent conversation. How organisations identify potential, develop leadership, and build long-term capability will shape how effectively they respond to the years ahead. It is a strategic question, and one that is arriving faster than many enterprises anticipated.The organisations that resolve this tension earliest will carry a significant advantage into the decade ahead. It is precisely this conversation, around preparation, capability, and the future of professional development, that the ET Future of Knowledge Work Summit on 17 June in Bengaluru is designed to advance, bringing together India's foremost enterprise leaders, CHROs, CEOs, COOs and CIOs to examine what workforce readiness actually looks like today.For decades, professionals were told that expertise would secure their future. The question being asked now is quieter but more difficult, not whether that is still true, but whether the systems built to create that expertise were ever designed for the world that is actually arriving.