Find an NLP trainer who has truly acquired the skills themselves. They should demonstrate NLP Mastery in their behaviour – i.e. ‘walk their talk’ and be approachable and genuine as human beings. 

Training NLP requires a multi-level, wide-ranging skill set and it takes many years – not days, weeks or months - to acquire a level of expertise to teach to varied learning styles and to manage the dynamic and lively nature of an NLP course.