This is an open access book. The 3rd International Conference on Business and Engineering Management (IConBEM 2022) will be held by using the theme of Leveraging Sustainable Digital Economy, Entrepreneurship, and Future Energy Systems role in the post COVID-19 Era. The emergence of COVID-19 has brought changes to the world of business and the economy. The massive growth of the digital economy, emergence of new business trend, and acceleration of technological development in the short period of time will have impact to society . This conference will bring together ideas, knowledge, problems, research findings, and expert experiences surrounding the leveraging of those rapid and massive change to give benefit for society.