I can help you how to contact our Support Team and talk with our support representative, Stephan.
Before anything else, may I ask about your specific concerns? Also, would you mind sharing the reason why you're going to talk with our support representative? Any additional information will be much appreciated, as this will help us address your concern more effectively.
In the meantime, here's how to reach out to them within QuickBooks Online (QBO):
Sign in to your QBO account.
Select the Help (?) icon on the upper right corner of the page.
Click on the Search tab and select Contact Us.
Select Chat with us to start a conversation with our support expert.