Books
Jonathan O'Brien is the CEO of the international purchasing consultancy and training provider, Positive Purchasing Ltd. With over 25 years' experience working in purchasing, he has worked all over the world to help global organizations increase their purchasing capability through training, education and working directly with practitioners and executive teams to drive in the adoption of category management and other strategic purchasing methodologies. He is also author of Negotiation for Procurement Professionals, Category Management in Purchasing, Supplier Relationship Management and Negotiation for Purchasing Professionals, also published by Kogan Page.
