ark McKergow PhD MBA is an author, consultant and speaker, and the co-creator of the Host Leadership concept. He is co-author with Helen Bailey of the new book Host: Six new rules roles of engagement for teams, organisations, communities and movements. Mark has developed and hosted many aspects of the international Solutions Focus community since 2000 with sfwork, and is co-author of three books including the best-selling ‘The Solutions Focus’. He was closely involved with founding both the SOLWorld network and the SFCT professional body for SF consultants and trainers. Mark is also a visiting research fellow in philosophy at the University of Hertfordshire, where he runs the HESIAN research hub and investigates embodied and narrative paradigms of psychology and change. He edits the SFCT journal InterAction and also plays jazz saxophone.ation for clients and students in more than 190 Countries. She is a Global Lyoness Business Partner.