Thank you all for the input! I was able to get a code snippet for this! It can be changed to designate any role. You would have to change the role ID numerical string in the valueexpression line and of course the display name. We may take out the bulleted list option but at the moment it helps with ...

Anthony, In most cases the owner is not the PM. Our Engineers own many projects and only certain ones will get a PM. So the I need a column with the owner (standard choice and have it already) but also one that defines who is assigned to the PM role in that project as well.