Martin Manser (Author) Martin Manser is a professional reference-book editor. He is also a language consultant with national companies and organizations. Martin is Part-time tutor at London College of Communication, University of the Arts London and Part-time visiting lecturer at Buckinghamshire New University. Nigel Cumberland (Author) Nigel Cumberland is an award-winning global coach who helps leaders and teams to optimise and enhance their success in both their careers and lives. He has coached and trained at some of the world's most prestigious organisations such as the United Nations, the World Bank Group, Standard Chartered Bank, Google, Dell, LVMH, Christian Dior, Continental AG and the Dubai Government. He is also one of the elite Marshall Goldsmith approved coaches and a member of Harvard Business Review's Advisory Council. He is also a Freeman of the City of London and has been given the award as one of the world's top 100 leadership coaches.