The Washington University School of Medicine offers postgraduate training programs in the areas of obstetrics and gynecology. The school serves the educational, vocational and social needs of students. It also provides courses that focus on topics related to occupational and physical therapies. The Washington University School of Medicine operates the Alzheimer's Disease Research Center, which offers memory care services. The school provides biomedical engineering, biostatistics and emergency medicine programs. It also manages the Siteman Cancer Center. The Washington University School of Medicine enrolls more than 4,000 students. The school manages a staff of over 8,200 employees. It is operated by Washington University in St. Louis.