Illinois Sample Letter for Complaint Concerning Co-Worker: [Your Name] [Your Address] [City, State, Zip] [Email Address] [Phone Number] [Date] [Supervisor's Name] [Company Name] [Company Address] [City, State, Zip] Subject: Complaint Concerning Co-Worker Dear [Supervisor's Name], I hope this letter finds you well. I am writing to bring to your attention a matter of concern regarding a co-worker, [Co-Worker's Name]. I believe it is important to communicate this issue to ensure a healthy work environment and maintain productivity within the team. Firstly, I would like to establish the nature of our working relationship. I have been an employee at [Company Name] for [duration of employment]. During this time, I have consistently strived to maintain a positive and professional atmosphere within the workplace. However, over the past few weeks/months, I have encountered a series of incidents involving [Co-Worker's Name]. These incidents have caused disruption and have had a negative impact on both my work performance and overall well-being. The specific incidents that have prompted me to write this complaint include: 1. [Describe incident #1 briefly] 2. [Describe incident #2 briefly] 3. [Describe incident #3 briefly] It is crucial to note that these incidents have been observed by other team members as well, whose statements can be obtained to support my claims. [Co-Worker's Name]'s behavior has become a consistent source of distraction, creating an uncomfortable work environment for several individuals. Despite my attempts to address the issue directly with [Co-Worker's Name], the behavior has persisted, leaving me with no choice but to escalate the matter. I kindly request that [Company Name] takes appropriate action in response to this complaint, ensuring a resolution that provides a safe and comfortable workplace for all employees involved. To address this issue effectively, I propose the following actions: 1. Conducting a formal investigation into the incidents mentioned above. 2. Taking appropriate disciplinary measures, if deemed necessary, to ensure that [Co-Worker's Name] is held accountable for their actions. 3. Providing clear guidelines on workplace conduct to prevent similar incidents from occurring in the future. 4. Implementing regular training programs to enhance interpersonal skills and encourage a harmonious work environment. 5. Establishing a confidential reporting system that allows employees to address any concerns they may have, ensuring their safety and well-being. I am confident that [Company Name] shares the same values of promoting a respectful and inclusive work environment for all its employees. I trust that you will handle this complaint with the utmost sensitivity and professionalism that this matter deserves. Thank you for your prompt attention to this issue. I am ready and willing to provide any additional information or documentation required to support this complaint. I sincerely hope that appropriate actions will be taken to resolve this situation and restore a positive work environment for me and my colleagues. Yours sincerely, [Your Name] Types of Illinois Sample Letters for Complaint Concerning Co-Worker: 1. Illinois Sample Letter for Complaint Concerning Workplace Bullying by Co-Worker 2. Illinois Sample Letter for Complaint Concerning Harassment by Co-Worker 3. Illinois Sample Letter for Complaint Concerning Discrimination by Co-Worker 4. Illinois Sample Letter for Complaint Concerning Unprofessional Conduct by Co-Worker 5. Illinois Sample Letter for Complaint Concerning Intimidation by Co-Worker.