The Success Case Method (SCM) technique is a relatively quick and easy method of verifying implementation success. Using the SCM technique, this study evaluates culturally competent health and nutrition education trainings on diabetes type II control directed to (50) male Latinos/Hispanics living in Atlanta, Georgia. United States. In order to identify the most (and least) successful participants, a brief 5-questions survey was provided four (4) weeks after the completion of the training. Five (5) factors were selected as measures of success: (1) Initiation, (2) Continuity, (3) Self-Assessment, (4) Knowledge Sharing, and (5) Applicability to which participants had to determine on a scale of 1 to 5 their level of success. A random sample of five (5) of most successful and five (5) least successful participants were selected for interviews with the purpose of getting a deeper sense of the participants experience and determine the exact nature and extent of their success. Results revealed that most participants achieved success as a result of the training, with a higher number of "most successful" cases in initiation, continuity, self-assessment, and knowledge sharing. Applicability was not successfully achieved by a large number of participants, for example, how physical activity is important not only for diabetes type II control but also for high blood pressure control. In-depth interviews revealed that language, culture, credentials, clarification and family support are benefits for success, while, lack of time, income, supplies, lack of family support, and education are barriers for success. The results demonstrate the need for topic specific trainings that provide knowledge and skills for this community on chronic disease prevention and health promotion; the importance of social assistance in order to address barriers and the influence of family support in the Latino men health status and decision-making.