DENNIS A. ATTWOOD, PEng, PhD, CPE, is head of the Human Factors Group at Exxon Biomedical Sciences, Inc. He has more than twenty-five years of experience in human factors design, ergonomics, and facility management. During his career, he has overseen many relocation projects, from small moves to the relocation of 3,500 employees spread throughout several buildings. Dennis Attwood is a member of the International Facility Management Association (IFMA) and the Human Factors Ergonomics Society in the United States. He is a founding member, past president, and fellow of the Human Factors Association of Canada.