This document discusses how to establish expertise or credibility in the workplace. It defines what an expert is and notes that each expert field has different standards and rules. To maintain expertise and succeed, all types of rules and procedures must be followed properly. Establishing expertise is an important topic, though it lacks institutional importance in Bangladesh. The most important task after gaining expertise is promoting it within the organization and establishing a culture of expertise promotion. Some key aspects of promoting individual expertise mentioned are: effective interpersonal communication skills, creating a positive impression on others, properly utilizing one's strengths and skills, maintaining proper conduct and behavior, having confidence, and effective interaction with others. Promoting expertise should be an ongoing process as people do not learn expertise only