Dear [Human Resources Department/Supervisor], I hope this letter finds you well. I am writing to express my concern and lodge a complaint regarding a specific co-worker at our San Diego, California office. I believe it is important to address this issue as it has been affecting my productivity and overall work environment. First and foremost, it is important to note that San Diego, California is known for its vibrant and diverse work culture, which promotes collaboration and teamwork. However, the behavior of my co-worker has consistently disrupted this positive work atmosphere and has become a cause for concern. To provide more context, the individual in question, [Co-worker's Name], exhibits several problematic behaviors that are creating a hostile environment. These behaviors include but are not limited to: 1. Harassment: [Co-worker's Name] has been engaging in verbal harassment, making inappropriate comments about my [gender/race/ethnicity/etc.] and creating an uncomfortable work environment. This behavior is not only disrespectful but also goes against the principles of respect and inclusivity that our company upholds. 2. Intimidation: [Co-worker's Name] consistently tries to intimidate me through their aggressive body language and confrontational tone. Their behaviors often result in increased stress and anxiety, making it challenging for me to focus on my work and perform to the best of my abilities. 3. Non-collaborative Attitude: [Co-worker's Name] refuses to cooperate and collaborate on projects, unnecessarily delaying deadlines and hindering overall team productivity. Their lack of teamwork and refusal to work with other colleagues have created a rift in our work dynamics, negatively impacting everyone's performance. 4. Unprofessional Conduct: On numerous occasions, [Co-worker's Name] has shown unprofessional behavior by engaging in gossip, spreading rumors, and undermining the work of other team members. Such actions not only disrupt the office environment but also damage professional relationships within the workplace. I have attempted to address these issues with [Co-worker's Name] personally, but unfortunately, their behavior has persisted. It is crucial that these concerns be addressed promptly to ensure a harmonious and productive work environment for all employees at our San Diego office. In light of the aforementioned circumstances, I kindly request that the appropriate action be taken to address this matter and rectify the situation. This may include conducting an investigation into the complaints filed against [Co-worker's Name] and implementing appropriate disciplinary measures to prevent further disruption. I firmly believe that resolving this issue promptly will lead to a more positive and collaborative work environment, which ultimately benefits the overall success of our team. I trust that you will handle this matter with the utmost professionalism and confidentiality. Thank you for your attention to this matter. I am more than willing to provide any additional information or evidence that may be required during the investigative process. I look forward to a swift resolution to this issue. Sincerely, [Your Name] [Your Employee ID] [Your Contact Information]