This book covers a wide gap in the academia on non-profit sector as its based on original research conducted to understand leadership development in the UK''s non-profit sector. The methodology used to conduct research is ‘Transcendental Phenomenology’, which is mainly driven from Edmund Husserl’s work. The research was carried out with Clark Moustakas’s ‘Method of Conducting Phenomenological Research’. The research and results are based on in-depth interviews with leaders of the sector. The book gives an insight into the phenomenon by looking at existence, issues, and challenges of leadership development in UK''s non-profit sector. The research ends with major findings regarding meaning of leadership development phenomenon, identification, resolution of challenges, and new practices.