Jonathan O'Brien
is the CEO of Positive Purchasing Ltd, the international procurement and negotiation consultancy and training provider, and is based in Plymouth, UK. With over 30 years of experience working in purchasing, he has worked all over the world to help global organizations increase their purchasing capability through online and classroom training, education and working directly with practitioners and executive teams to drive the adoption of supplier relationship management and other strategic purchasing methodologies. He is also the author of
Category Management in Purchasing
, now in its fourth edition,
The Buyer's Toolkit
, and the award-winning title
Negotiation for Procurement and Supply Chain Professionals
, now in its 3rd edition, all published by Kogan Page