Hi, I'm Independent Advisor, I'm here to help you.
Sorry to say that, but we don't have privilege to gave you any contact information. But you can always send a feedback to MS Teams from inside the application. In order to send a feedback please follow the link provided below:
https://feedbackportal.microsoft.com/feedback/f...
I hope it helps, let me know if you need any further assistance.
Kind Regards,
Hania.