One of the efforts done by Training and Education Centre of National Nuclear Energy Agency in improving the human resource competency is through Soft Competency Development Program that is related to the main values of BATAN. This study was aimed at describing the conceptual model of effective communication and collaboration training evaluation to improve the performance of National Nuclear Energy Agency employees. This study applied qualitative and quantitave approaches with educational research and development. The data were collected through observation, interview, and documentation study. They were applied to 25 respondents who were participants, committee, and training manager. The result showed that Effective Communication and Collaboration Training Model used management approach, which were planning, implementation, and evaluation. The things done in the planning phase were identifying the needs, determining the curriculum and training material, time and place, facilitator and training participants. In the implementation phase, four levels to be developed were reaction level, learning level, behavior level, and result level. In the evaluation phase, there were some assessments based on the indicators of Effective Communication and Collaboration to measure the performance improvement.