This document discusses the evolution and definition of human resource development (HRD). It defines HRD as activities designed by an organization to provide skills to employees. The chapter outlines the history of HRD from early apprenticeship programs to the emergence of HRD as a profession. It distinguishes HRD from human resource management and identifies the key functions and roles of HRD professionals. Finally, it discusses challenges for HRD like changing demographics and the need for lifelong learning.