Jonathan O'Brien

Books
Category Management in Purchasing Category Management in Purchasing
Category Management in Purchasing
2019
Category Management in Purchasing Category Management in Purchasing
Category Management in Purchasing
2024
Supplier Relationship Management Supplier Relationship Management
Supplier Relationship Management
2022
The Buyer's Toolkit The Buyer's Toolkit
The Buyer's Toolkit
2017
Negotiation for Procurement and Supply Chain Professionals Negotiation for Procurement and Supply Chain Professionals
Negotiation for Procurement and Supply Chain Professionals
2025
Sustainable Procurement Sustainable Procurement
Sustainable Procurement
2023