Leadership development is the structured process of building the skills, mindsets, and capabilities that enable individuals to lead — effectively directing, motivating, developing, and influencing others toward shared goals.
It is one of the most significant investments an organisation can make. McKinsey's research finds that organisations with strong leadership development pipelines are 2.4 times more likely to outperform their peers financially. Gallup's data shows that the quality of leadership is the single largest driver of employee engagement — which in turn drives productivity, retention, and customer experience.
Yet most leadership development investment produces disappointing results. McKinsey estimates that organisations spend over $50 billion annually on leadership development globally, yet only 11% of HR executives rate their leadership development programmes as highly effective. Understanding why most leadership development fails — and what effective leadership development looks like — is the starting point for changing this.
What Does Leadership Development Include?
Leadership development encompasses a broad range of activities and interventions:
Leadership training programmes — structured learning experiences covering specific leadership knowledge, skills, and behaviours. These range from one-day workshops through to 12-month leadership academies.
Executive coaching — one-to-one coaching with a qualified coach, focused on developing the individual's leadership effectiveness, often using validated assessment tools to identify development priorities.
Mentoring — a developmental relationship where a more experienced leader shares knowledge, perspective, and networks with a less experienced one.
360-degree feedback — structured feedback from a leader's manager, peers, and direct reports on their observed leadership behaviours. When well-facilitated, 360 feedback is one of the most powerful tools for developing self-awareness.
Assessment centres and development centres — immersive experiences that evaluate current capability and identify development priorities through simulated leadership challenges.
Peer learning — structured peer coaching circles, action learning sets, and cross-functional projects that develop leadership capability through shared challenge and reflection.
Psychometric assessments — validated tools including Insights Discovery personality profiling, Genos Emotional Intelligence assessment, and leadership styles inventories that build the self-awareness that is the foundation of effective leadership.
Stretch assignments — deliberately challenging on-the-job experiences — leading a difficult project, navigating a restructuring, presenting to the board — designed to stretch leadership capability.
Why Most Leadership Development Fails
Research identifies four primary reasons why leadership development programmes fail to produce lasting change:
Lack of individual relevance. Generic programmes that don't connect to an individual's specific development needs, career stage, or current leadership challenges produce limited engagement and limited transfer.
Absence of sustained practice. A one-day workshop produces short-term knowledge. Sustained behaviour change requires weeks of deliberate practice, feedback, and reflection. Most programmes don't provide the structures for this.
No line manager involvement. Research consistently shows that the single biggest factor in whether leadership development sticks is whether the participant's line manager actively supports and reinforces the development. Programmes that don't involve line managers lose most of their impact within weeks.
Poor measurement. Without clear, agreed outcomes and measurement criteria, programmes cannot be evaluated or improved. And what isn't measured isn't taken seriously.
What Effective Leadership Development Looks Like
Research from the Centre for Creative Leadership, McKinsey, and Deloitte identifies a consistent set of characteristics of leadership development programmes that produce lasting results:
Diagnostic-led. Effective leadership development starts with accurate assessment of current capability and specific development needs — using validated tools including 360-degree feedback, personality profiling, and leadership assessments.
Experience-rich. Effective programmes connect formal learning to real leadership challenges through stretch assignments, action learning, and structured reflection. The Centre for Creative Leadership's famous 70-20-10 research found that 70% of leadership development happens through challenging on-the-job experiences, 20% through relationships, and 10% through formal training.
Coaching-supported. One-to-one coaching significantly accelerates leadership development. Research shows that leaders who receive coaching develop targeted capabilities twice as fast as those who don't.
Peer learning integrated. Structured peer learning — peer coaching triads, action learning sets, peer feedback — builds accountability and amplifies learning by connecting formal development to real challenges.
Measured at multiple levels. Effective programmes measure learner satisfaction and relevance (Level 1), knowledge and skill transfer (Level 2), behaviour change (Level 3), and business impact (Level 4). Measurement criteria are agreed at the outset so outcomes are clear.
Sustained over time. Meaningful behaviour change takes 3–6 months of sustained practice. Effective leadership development programmes are designed accordingly — with support, accountability, and measurement structures that span the duration of the development journey.
The Business Case for Leadership Development
The ROI of effective leadership development is substantial and well-documented:
- Companies with strong leadership development have 1.5x higher revenue growth (McKinsey)
- Leadership coaching produces average ROI of 5.7x the investment (ICF/PwC)
- Organisations that invest in manager development have 40% lower voluntary turnover (Gallup)
- High-potential leadership programmes reduce succession risk and cost-to-hire for senior roles
The business case is strongest when leadership development is treated as a strategic investment rather than a training cost — when it is connected to specific business priorities, measured rigorously, and sustained over time.
References
Centre for Creative Leadership (2010) Lessons of Experience. Greensboro, NC: CCL Press.
Deloitte (2026) Global Human Capital Trends 2026. London: Deloitte Insights.
Gallup (2025) State of the Global Workplace Report. Washington, DC: Gallup Press.
International Coaching Federation and PwC (2020) The Business Case for Coaching. Geneva: ICF.
McKinsey & Company (2025) The State of Organizations 2025. McKinsey Global Institute.