Navigate to the top right-hand corner and hover over the user icon. The user icon is "J" in figure 1 below:
Figure 1 - User Dropdown Menu
Click on Profile → User Management tab (Figure 2)
Figure 2 - User Management tab
Click the +Mentor Access button in the top-right hand corner and you'll see this screen in figure 3:
Search for a mentor and click the plus button to add them to the query
Figure 3 - Mentor search query
Click Apply and the mentor will be sent an invitation
If you want to give access to all mentors who are active in Traction5, click Add All → Apply. Invites to register with Traction5 will be sent to all active mentors in your program.