His new responsibilities will be to head the Association of Exhibition Contractors (AEC) and the planned Association of Exhibition Venues (AEV).
The changes are part of a restructure designed to improve services and products for AEO members.
Former AEO marketing manager John Wallace has been promoted to marketing director, while John Sanders and Mervyn Ramsey have joined the organisation as project director and business development manager respectively.
Foley said: "The AEO has a strong team in place to deliver an ever-increasing range of improved services to its members."
- The AEO has released details of its 2004 training programme, which is being run with Answers Training International. Course topics include health and safety and personal development.