When you assign multiple teachers to a course you can control the order they appear on the course's website.
Sign-in to your LessonFlyer admin panel and navigate to the My Courses screen.
Find your course and click on it's More Options icon as shown in the screenshot below.
Then choose the Assigned Teachers option from the dropdown menu.
On the Assign Teachers screen you'll see a list of the teachers currently assigned to the course.
To change their display order, hover your mouse over the drag icon pointed out in the screenshot below. Just drag and drop your teachers into the desired order and the new display order is automatically saved.
After you update the teacher display order you can click on the Course Website button in the upper right corner of the screen and choose the Edit Design option to see your changes in the Website Editor.
When the Website Editor loads navigate to the Teacher Bios page and the teachers will now appear in the order you set.