Why HR leaders need a broader, harder-edged approach to proving the value of building talent from within
Among HR and business leaders, there is now strong consensus that building talent from within is not simply good practice; it is a strategic advantage. Developing internal talent is typically faster, more sustainable and often more cost-effective than relying heavily on external hiring, especially for leadership and business-critical roles. Internal hires arrive with cultural knowledge, organisational context and established networks, which can shorten time to effectiveness and reduce the risk that comes with buying in capability from outside. At Management Dynamics, this is a pattern we see consistently in our work with clients: organisations create far more long-term value when they treat leadership and talent pipelines as assets to be built deliberately, not gaps to be filled reactively. The wider case is also strengthening. The LinkedIn Learning 2024 Workplace Learning Report found that 90% of organisations are concerned about retention and view learning opportunities as their number one retention strategy, while the same report links strong learning cultures with higher retention, greater internal mobility and stronger management pipelines. Josh Bersin has made a similar argument, describing a growing shift from “hire to grow” to a more systemic “build not buy” mindset as organisations face labour shortages, skills disruption and AI-driven change.
That is precisely why measuring ROI in talent development cannot be left to learning and development alone. If organisations want to know whether they are truly building capability for the future, they have to look across the whole talent system: recruitment, succession planning, workforce and resource planning, organisational design, performance management and learning and development all contribute to the outcome. In practice, bench strength is not created by a single programme. It is created when these disciplines work together to identify future capability needs, move people into the right experiences, and prepare successors before risk becomes visible. This whole-system view is increasingly reflected in leading thinking. Josh Bersin, for example, argues that HR must now operate as an integrated, systemic discipline rather than a set of disconnected processes, with internal mobility, career pathways, leadership development and workforce planning reinforcing one another. At Management Dynamics, that integrated perspective is central to how we work. We typically find that the most effective interventions are those that connect leadership development to real business challenges, clarify the roles of managers and sponsors, and align succession, talent and organisational priorities rather than treating development as a stand-alone activity.
The urgency is increasing because the context leaders operate in has changed so dramatically. The world of work is more ambiguous, more interconnected and more volatile than it was a decade ago, and generative AI is accelerating that shift. As a result, the capabilities organisations need from leaders are evolving too. Technical expertise and operational delivery still matter, but they are no longer enough on their own. Leaders now need greater curiosity, judgement, adaptability, experimentation and the ability to lead through uncertainty. Deloitte, in its 2024 human capital research, argues that in a disrupted age organisations need to scale human capabilities such as curiosity and empathy because these are critical to imagination, innovation and adaptation. LinkedIn Learning similarly reports that four in five people want to learn more about how to use AI in their profession, reinforcing the point that talent strategies must look forward, not backward. What made someone successful as a senior leader ten years ago is not a reliable template for what will be required five years from now.
Most organisations still measure the ROI of talent development through familiar and relatively contained indicators: participant reaction scores, end-of-programme feedback, manager impressions, and the re-running of 360-degree feedback or behavioural assessments. These measures are not without value. They can show whether participants found the experience relevant, whether confidence or self-awareness increased, and whether some behavioural shifts are visible over time. But they only tell part of the story. They demonstrate that learning activity took place; they do not, on their own, prove that organisational capability has improved or that the business is materially better off. This is one reason so many HR leaders feel stuck when asked to demonstrate impact. According to the LinkedIn Learning 2024 Workplace Learning Report, measuring the success of learning programmes remains one of the top focus areas for L&D, yet large-scale upskilling initiatives often struggle to move beyond activity and into robust measurement of outcomes.
A more credible approach is to track whether the talent system is producing outcomes that matter. That includes the proportion of promotions, lateral moves and stretch assignments filled internally; succession readiness for critical roles; retention in pivotal populations; and engagement scores not only for participants but for the teams they lead. Some organisations also use annual leadership effectiveness measures based on team feedback against clearly defined behaviours. These indicators matter because they show whether the organisation is actually building the capacity it says it needs. They are also consistent with the priorities now facing HR leaders. Gartner identifies leader and manager development, career management and mobility, and organisational culture among the top priorities for HR leaders, while the LinkedIn Learning 2024 Workplace Learning Report links learning culture to stronger management pipelines, internal mobility and retention. Put simply, if talent development is working, more critical roles should be filled from within, more leaders should be ready sooner, and fewer high-potential people should be leaving for growth elsewhere.
Yet even these measures are not the end point. The real test of ROI is whether talent development contributes to business performance. That is where the conversation often becomes uncomfortable, because performance is influenced by many variables and attribution is rarely simple. But complexity is not a reason to avoid the question; it is the reason to get much sharper about it. HR leaders need to start upstream by agreeing, with the business, the outcomes that matter over the next three to five years. Which strategic shifts will require different leadership capability? Which business results are expected to improve? What evidence would suggest that stronger internal pipelines, better mobility or more effective leaders are contributing to those results? Deloitte has argued that traditional productivity metrics are no longer enough for modern work, and that organisations need better ways to understand the value people create. The same principle applies here. If talent development is positioned as a business lever, then it must be measured in business terms. In practical thought-leadership terms, that is the shift HR now needs to lead: away from seeing development as a valued experience and towards treating it as a performance intervention. At Management Dynamics, our experience is that being explicit up front about expected business outcomes changes the quality of the intervention itself. It sharpens design, strengthens accountability, and moves the conversation from whether people enjoyed the programme to whether the organisation is building the leadership capability its strategy actually requires. The strongest organisations will be those that define the business outcomes up front, align the whole talent system behind them, and then hold participants, managers and the organisation itself accountable for tangible results.
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