John Callaghan is a procurement and professional practices consultant with extensive experience of government and the private sector. Formerly the commercial director of OSI, he has a strong background in managing negotiations and developing negotiation strategies and related procurement strategies. These key skills are backed by significant experience in managing procurements, contract development, evaluation methods and negotiations.  He set up Leopard Commercial Consultancy Ltd in 2000 as a niche consultancy providing procurement and negotiations strategies, negotiations management and best practice commercial methods for business.

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