13 August Day in the life A Day in the Life of a Fitted Kitchen and Bathroom Expert 05. Rules and Regulations, 01. Starting your Expert Witness Business, 08. Being instructed as a Single Joint Expert, Expert Witness Training, Jerry Ponder Jerry Ponder uses his 40+ years of experience in fitted interiors to provide expert evidence on the design, product quality, installation and project management standards of fitted kitchens, bathrooms, any other fitted furniture projects. One of the only Expert Witnesses in his field, he tells us about how he got into it, his experience in the witness box, and the importance of good training.