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When was IIW founded ?
In 1948 by the welding institutes or societies in 13 countries, who felt the need to create it to make possible more rapid scientific and technical progress. 

 What has the IIW been doing over the past 40 years, and what is it doing now to meet these objectives ?
From the start the IIW set up international groups of specialists to study collectively the scientific. The scientific phenomena associated with welding and allied processes, their more efficient industrial application and the means of communicating information about them.

 Who runs IIW ?
The policies of IIW are decided by the General Assembly on which are represented all the national member societies. The General Assembly elects the President of IIW and the members of the Board of Directors which directs the affairs of the IIW. The Board of Directors comprises twelve Directors among whom are elected the President, three Vice-Presidents and the Treasurer.

The day to day work is ensured by a Permanent Secretariat under the responsibility of a Chief Executive.

The Secretaries maintain contact between IIW and other international bodies such as the International Organisation for Standardisation, United Nations agencies and the Union of International Technical Associations.

 How is IIW funded?
The member societies pay an annual subscription on a scale designed to reflect, as equitably as possible, the dependence of their country on welding technology. Such subscriptions are modest and sufficient to pay only a part of the cost of running the Secretariat and associated activities. Further income is derived from the sale of books and other documents, and fees which are collected from each Annual Assembly participant.

By far the greatest contribution from member societies comes in the form of the input of their delegates to the working programmes of the commissions. The cost of delegates' attendance at Annual Assemblies and any intermediate meetings of Commissions and Sub-Commissions is borne by their Member Societies or their employers.