Introduction; K. Zokaei, J. Seddon and B. O'Donovan SYSTEMS THINKING IN PUBLIC SECTOR How Systems Thinking Provides a Framework for Change; K. Zokaei Systems Thinking in Adult Social Care; B. O'Donovan Seeing Shared Work within a System; R. Hamer and S. Lethbridge Improving Performance Throughout a Housing Supply Chain; B. O'Donovan and K. Zokaei Organisational Change; J. Marshall Rethinking for Radical Improvement in the Delivery of Housing Services; D. Samuel and Barry Evans Systems Thinking for Public Services; A. Jaaron and C. Backhouse SYSTEMS THINKING IN THE PRIVATE SECTOR Real Service Improvement; D. Longbottom, J. Hilton and Y. Xia-Zheng Electrifying Performance; M. Hopkinson Improving Software Project Management in Bureaucracies; P. Middleton and B. O'Donovan The System is Always Greater than its Parts; J. Watts