Both. Mr. Robertson will pursue a meritorious employment lawsuit against any entity, whether public or private. Mr. Robertson has sued small municipal public entities as well as huge international corporations. It all just depends on the case!
Employees of public entities generally have more hurdles to overcome before they can proceed to court. The statute of limitations is exceedingly short against public entities, so if you have a case against a public employer it is essential that you contact a employment attorney immediately.