The team includes coordinators, logisticians, doctors, and water and sanitation experts. Twice a year, humanitarian logisticians from different organisations gather for the Logistics Cluster Global Meeting. Some universities and academic institutions train students as logisticians, offering undergraduate and postgraduate programs. Certified Professional Logisticians use CPL, and Chartered Engineers use CEng. Professional qualification for logisticians usually carries post-nominal letters. Professional logisticians are often certified by professional associations.