This chapter describes the overview of entrepreneurship; corporate entrepreneurship and sustainable entrepreneurship; entrepreneurship and pro-market institutions; entrepreneurship, technological innovation, and Intellectual Property Rights (IPRs); the important aspects of diaspora entrepreneurship; entrepreneurship education, knowledge transfer, and technology transfer; and migration, employment, brain drain, and brain gain. The objectives of industrial development, regional growth, and employment generation depend on entrepreneurial development concerning entrepreneurship and diaspora entrepreneurship. Entrepreneurs and diaspora entrepreneurs play the crucial roles in accelerating the pace of economic development of countries by discovering the new uses of available resources and maximizing their utilization in global business. The works of entrepreneurs and diaspora entrepreneurs involve the utilization of managerial skills which they develop while planning, organizing, staffing, directing, controlling, and coordinating the activities of business.