The ICRC headquarters are in Geneva, Switzerland. It has other offices, called "Delegations", in about 80 countries. Each delegation is under the responsibility of a Head of delegation who is the official representative of the ICRC in the country. Of its 2,000 professional employees, roughly 800 work in its Geneva headquarters and 1,200 expatriates work in the field. About half of the field workers serve as delegates managing ICRC operations in the different countries while the other half are specialists like doctors, agronomists, engineers or interpreters. The international staff are assisted by some 13,000 national employees, so about 15,000 people work for the ICRC.