John Robert Barker

Barker is a senior founding member of DTS International. As a trainer and consultant, he specializes in such diverse areas as sales management; behavioiur and attitudes; sales approaches and skills; management coaching; customer relationships; communication and negotiation skills; conflict resolution; and team dynamics.

Barker is a senior founding member of DTS International. As a trainer and consultant, he specializes in such diverse areas as sales management; behavioiur and attitudes; sales approaches and skills; management coaching; customer relationships; communication and negotiation skills; conflict resolution; and team dynamics. See less