Personal integrity
Professionals uphold certain principles and do not change their opinions based just on the current ephemeral situation. Inner integrity and consistency are important traits of every leader and their personal brand image.
Clothing style
As Leadership Now states, dress sense really is important. At least if you want to come across as professional. Wear clothes in which you know you look good, and which therefore make you feel confident.
Interest in others
Professionals are aware of their capabilities and are willing to help and listen to others. Anyone who keeps all their skills and knowledge only to themselves cannot be a professional. You may best manifest your charisma and professionalism if you let go of your ego and take an interest in people around you.
Keeping your promises
We usually call someone "charismatic" if they are not only interesting but also trustworthy. Someone whom others are unable to trust can never make a good impression. In order for others to trust you, you must keep your word and fulfil everything you promise.
Expertise
Professionals devote themselves to their field of business not only from a professional point of view but also out of a genuine interest in what they are doing. They keep track of what is new in their field, they know important people who are active in their specific sector and are able to bring new facts and observations.
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