IHS is an international professional organisation working with others for the benefit of people affected by headache disorders. The purpose of IHS is to advance headache science, education, and management, and promote headache awareness worldwide Values 1. Commitment to Excellence IHS strives for excellence in its activities, and will set challenging but achievable goals. 2. Respect for Expertise IHS values expertise and the full range of skills and disciplines that are needed for the realisation of its objectives. 3. Respect for Science IHS recognises that good healthcare is based on evidence, and that the origins of evidence lie in responsible research and scientific method. 4. Commitment to Independence from Inappropriate Influence IHS works for the public good and will not be influenced by commercial or other considerations that are contrary to the interests of people affected by headache disorders. 5. Commitment to Integrity, Openness and Accountability IHS believes in transparency and honesty, which will characterise all its activities and which are expected of its members and of those with whom it has dealing. 6. Importance of Membership IHS recognises the importance of membership for the realisation of its objectives regardless of individuals' expertise level or nationality.