16 May Day in the life A Day in the Life of a Chartered Building Surveyor Expert Witness Expert Witness, Rod Appleyard, Chartered Building Surveyor, Project Manager, 01. Starting your Expert Witness Business, 04. Marketing, 15. Giving Oral Evidence Rod Appleyard has been practising as an Expert Witness for almost 28 years, specialising in the forensic investigation of fenestration and building envelope defects. He shares what led him to the Expert Witness field; his advice for starting out; and why volunteering in a war zone changed his outlook on work and life.