Every L&D Manager and HR Director we speak to has some version of the same brief: help our people lead better. The question that follows is almost always the same too: what actually works?
The honest answer is that most leadership development does not work as well as it should. The Association for Talent Development estimates that organisations collectively spend billions on leadership training every year. Deloitte's 2025 research found that two-thirds of managers believe recent hires are not fully prepared with the skills needed for their roles. DDI's Global Leadership Forecast found that less than half of organisations feel their leadership bench is ready for the future.
The problem is not that leadership development is impossible. It is that most approaches to it are designed around the wrong model.
The Wrong Model: Leadership as Knowledge Transfer
The dominant model for leadership development is still largely a classroom model. A person attends a programme. They learn frameworks. They return to work. The programme is evaluated on satisfaction scores. The leadership capability of the organisation is assumed to have improved.
This model has a fundamental flaw. It confuses knowledge about leadership with the actual capability to lead. A manager can leave a programme with a clear understanding of the GROW coaching model and still have no idea how to hold a difficult coaching conversation with a team member who is defensive. They can know everything about psychological safety and still create a team environment where people do not speak up.
Baldwin and Ford's foundational research on training transfer found that only 10 to 15 percent of what is learned in training programmes actually transfers to the job. Kauffeld et al. (2025) confirmed this pattern persists: transfer failure is the norm, not the exception, without deliberate design to support it.
What the Research Says Actually Works
There are five conditions that the research consistently identifies as essential for genuine leadership capability development.
Deliberate practice, not passive learning. Ericsson's research on expert performance established that capability is built through deliberate practice with feedback, not through passive exposure. For leadership development, this means repeated, structured opportunities to practice specific leadership behaviours, ideally in realistic contexts with skilled coaching feedback. A manager who practices giving developmental feedback in a role-play simulation with expert feedback is building a different kind of capability than one who watches a video about feedback skills.
Spaced repetition over time. A single intensive event rarely produces lasting behaviour change. The neuroscience of learning consistently supports spaced repetition: revisiting material over time with intervals that force retrieval produces stronger encoding than massed learning. Leadership programmes that run over three to six months, with structured application between sessions, consistently outperform single-event interventions.
Coaching and reflection. One-to-one executive coaching is one of the most robust developmental interventions in the L&D toolkit. The International Coaching Federation's research consistently finds significant improvements in self-awareness, communication effectiveness, and leadership confidence among coaching recipients. The mechanism is relatively simple: coaching creates structured reflection time, which is rare in most managers' working weeks, and supports the translation of insight into specific behavioural commitments.
Peer learning and social accountability. Managers learn significantly from peers facing the same challenges. This is partly information sharing and partly social accountability: when a manager has committed to a specific change in front of trusted peers, they are more likely to follow through. Action learning sets, peer coaching partnerships, and structured peer discussion groups all harness this effect.
Feedback loops. Leadership development without systematic feedback is almost entirely ineffective. Managers have limited visibility of their own impact. They may believe they are listening when team members experience them as dismissive. They may believe they are empowering when the team experiences them as micromanaging. 360-degree feedback, well-facilitated and integrated into a development plan, is one of the most reliable tools for closing this gap.
A Practical Development Architecture
For an L&D Manager or HR Director designing a leadership development programme, these findings suggest a specific architecture:
Start with a diagnostic phase. Use a validated assessment, such as 360-degree feedback or a leadership capability diagnostic, to establish a clear picture of current capability and priority development areas. Individual development plans should be grounded in this data.
Design for application between sessions. Every workshop or module should end with a specific, observable commitment. In the next two weeks, I will... The next session starts with a review of those commitments. This creates the application cycle that drives transfer.
Build in a coaching element. Even a small number of individual coaching sessions, integrated with the programme, significantly improves outcomes. The coach does not replace the workshop. They help the manager translate workshop learning into specific behavioural change in their context.
Create structured peer learning. Peer groups of four to six managers who meet monthly between formal sessions to share progress, challenges, and learning create an accountability mechanism that sustains development long after the formal programme ends.
Measure behaviour change, not just satisfaction. The most important measurement question is not whether participants enjoyed the programme. It is whether their direct reports, peers, and managers observe different leadership behaviour three months later. Post-programme 360-degree feedback, compared with the pre-programme baseline, is the most reliable measurement tool.
Leadership Skills Worth Prioritising
The World Economic Forum's Future of Jobs 2025 report identifies the leadership and interpersonal capabilities with the highest strategic value over the next five years: analytical thinking, resilience and flexibility, emotional intelligence, motivation and self-awareness, and leadership and social influence. McKinsey identifies coaching, communication, and change leadership as the capabilities most correlated with senior leadership effectiveness.
The capabilities that matter most in an AI-augmented environment are those that AI cannot replicate: the ability to build trust, hold difficult conversations, coach for performance, navigate ambiguity, and make judgement calls that require human values and contextual understanding. These are precisely the capabilities that deliberate, well-designed leadership development can build.
Try This
Before commissioning a leadership development programme, ask three diagnostic questions. First, what specific leadership behaviours are we trying to develop, and how will we measure whether they have changed? Second, what follow-through mechanisms will we build in to ensure what is learned gets applied? Third, how will the programme create opportunities for deliberate practice and expert feedback, rather than passive learning?
These questions will immediately reveal whether a proposed programme is designed for genuine capability development or for learning satisfaction metrics.
References
Baldwin, T.T. and Ford, J.K. (1988) 'Transfer of training: A review and directions for future research', Personnel Psychology, 41(1), pp. 63--105.
DDI (2025) Global Leadership Forecast 2025. Pittsburgh, PA: Development Dimensions International.
Deloitte (2025) Human Capital Trends Report. Deloitte University Press.
Ericsson, K.A. (2008) 'Deliberate practice and acquisition of expert performance: A general overview', Academic Emergency Medicine, 15(11), pp. 988--994.
International Coaching Federation (2023) ICF Global Coaching Study 2023. ICF Research Portal.
Kauffeld, S., Decius, J. and Grassmann, C. (2025) 'Learning and transfer in organisations: how it works and can be supported', European Journal of Work and Organizational Psychology, 34(2), pp. 161--174.
World Economic Forum (2025) The Future of Jobs Report 2025. Geneva: World Economic Forum.