Office administration involves activities related to financial planning, record keeping, billing, personnel management, and logistics within an organization. An office administrator plays a key role ensuring these administrative activities run efficiently. The duties of an office administrator vary depending on the employer but can include managing budgets, human resources, records, and supervising other employees. Common office administration roles include receptionists, administrative assistants, personal assistants, executive assistants, and office managers. As the office workplace has evolved, the role of the office administrator has shifted from primarily secretarial duties to being a strategic professional focused on improving office efficiency.