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martinjohn-training.com
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Martin John
martinjohn-training.com
4 Contacts
Join 50,000+ students in sharpening your Negotiation, Procurement or Persuasion skills— practical training for real impact offered online or in person.
24 Jan 2026
Martin John
martinjohn-training.co.uk
4 Contacts
Join 50,000+ students in sharpening your Negotiation, Procurement or Persuasion skills— practical training for real impact offered online or in person.
24 Jan 2026