Subject Line: Urgent Complaint Regarding Disruptive Behavior by Co-Worker [Your Name] [Your Address] [City, State, ZIP Code] [Email Address] [Phone Number] [Date] [Recipient's Name] [Recipient's Job Title] [Company Name] [Company Address] [City, State, ZIP Code] Dear [Recipient's Name], I am writing to bring an urgent matter to your attention regarding ongoing issues with one of my co-workers, [Co-worker's Name], with whom I share the same department. It deeply concerns me that their behavior is significantly affecting our work environment, team morale, and hindering our productivity. To provide a clear understanding of the situation, I would like to highlight some specific incidents that have occurred: 1. Inconsistent and Disruptive Behavior: [Co-worker's Name] displays erratic behavior, often demonstrating a lack of professionalism and disrespect towards both fellow employees and superiors alike. Their actions include constant interruptions during meetings or group discussions, excessive chattiness about personal matters, and taking liberties with company resources without seeking prior authorization. This disruptive behavior disrupts our workflow and inhibits collaboration. 2. Frequent Authorization Violations: [Co-worker's Name] frequently bypasses the established protocols for seeking authorization before making decisions or initiating projects. This causes confusion among the team, as we are not aware of the latest updates or changes that may impact our work. Consequently, deadlines are missed, and the overall quality of our work is compromised. 3. Unprofessional Communication: [Co-worker's Name] continually engages in inappropriate and disrespectful communication with colleagues, including myself. They often use offensive language, engage in gossip, and create a hostile work environment. These unprofessional interactions contribute to a significant decline in team morale, making it increasingly challenging to maintain a positive and productive work environment. I kindly request an immediate investigation into these matters, as they not only affect my work experience but also hinder our team's overall productivity and well-being. I believe it is crucial to address this issue promptly to prevent any further damage or negative impact on the organization. Furthermore, I would appreciate your assistance in resolving this matter swiftly, ensuring a fair and respectful work environment for all employees. Furthermore, I am open to participating in any necessary discussions or meetings to provide my perspective and assist in finding a resolution. Thank you for your attention to this matter. I trust that my concerns will be given the consideration they deserve, and appropriate action will be taken to rectify the situation. Yours sincerely, [Your Name]