Mark Jackson is a professional in their field. Colleagues describe them as "Mark is a knowledgeable and well-organised salesman. His success in sales is based on a strong positive attitude and a thorough understanding of customer aims and requirements. He made an excellent contribution at Trinity in a demanding role." and "There is not really too much to say about Mark other than he is a true sales professional. In my time working with Mark I saw time after time how he could influence situations to generate positive outcomes for all our stakeholders. A highly organised and effective communicator, Mark is a benefit to any organisation who aim to set the bar high."