1. 
   Director General
   Title given to the persons who head certain international organizations, including the WTO.
   Found op http://www-personal.umich.edu/~alandear/glossary/d.html
   
   
2. 
   Director general
   a senior Department of Health civil servant controlling a specific area of activity. There are currently director generals of social care, local government and care partnerships; workforce; research and development; health improvement and protection; and communications. The senior team also includes...
   Found op http://www.smarthealthcare.com/glossary
   
   
3. 
   Director-general
   The term director-general (plural directors-general, as "general" is postpositive) is a title given the highest executive officer within a governmental, statutory, NGO, third sector or not-for-profit institution. ==European Union== In the European Commission, each department (called a directorate-g...
   Found op http://en.wikipedia.org/wiki/Director-general
   
   
4. 
   Directorate-General
   A Directorate-General is a branch of an administration dedicated to a specific field of expertise. ...
   Found op http://en.wikipedia.org/wiki/Directorate-General
   
   

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