a director who is appointed in addition to the existing directors of a company, typically to bring in new skills or expertise
अतिरिक्त निदेशक
English Usage: The company appointed an additional director to enhance its strategic planning.
Hindi Usage: कंपनी ने रणनीतिक योजना को बेहतर बनाने के लिए एक अतिरिक्त निदेशक को नियुक्त किया।