14 July Day in the life A Day in the Life of a Town Planning Expert Witness 15. Giving Oral Evidence, Town Planning Susan Jones, founder of SJ Consultancy, has been a town planning consultant for over 40 years. As an Expert Witness, she provides evidence at public inquiries, hearings and in court. Here, she tells us about her career; explains why she enjoys being an Expert Witness; and shares her advice for other Experts.