Communication is process in which thoughts and meanings are shared, and as that it is a key factor for the effective performance of any institution. Communication skills are not necessarily inherent to people, but with strong willpower and determination they can be achieved and improved. The concept of communication and communication skills is a crucial part of library work. Focus is placed on assertiveness in communication, which is main source in maintaining business relationships and healthy communication. The skill of good listening is also a big part of communication skills, and it is essential for dialogue in any organization. There is difference between the terms listening and hearing, and listening is presented trough basic phases, models, and levels of listening. The concept of collegial dialogue enhances importance of structured and constructive dialogue, while collaborative work environment provides communication stakeholders with a sense of belonging and inclusion. An organization that upholds principles of collegial dialogue and collaborative work environment shows significant progress in formation and leadership. For leading an institution, as well as for participating in the work of institution, it is important to have communication strategy that enhances good functioning of the entire institution. Also, it is very important to develop good listening skills and to strive for an assertive approach in communication. In libraries, communication occurs on multiple levels within administration, among the staff and with users. At all levels, it is important to develop and nurture communication skills.