This document summarizes a study on the determinants of success and failure of entrepreneurs of small and medium enterprises (SMEs) in Bangladesh. The study aims to identify factors that contribute to entrepreneur success, as well as factors that influence entrepreneur failure. It hypothesizes 10 factors that may contribute to success, including willingness to succeed and maintaining close tabs on finances. It also hypothesizes 18 factors that may lead to failure, such as inadequate funding, raw material issues, and poor management. The study collected primary data from 23 entrepreneurs of SMEs in Bangladesh to analyze the factors.