Human Capital Investment is an inevitable necessity in business. Investing in human capital is very important, so this book provides knowledge about how to invest in human capital to develop a better business. Business performance can never be separated from human resources. And the determinants of a business organization's performance are the human resources that drive the business organization. If the human resources drive a quality business, then the business organization will also be of higher quality. Human resources determine the quality of the business in it; therefore, knowledge of how to invest in humans to develop human capital is a need that must be met for business people.