LME
professional
Legal
Certified Administrative Professional - Organizational Management
National Professional Paintball League
licensed clinical professional counselor
Civil Air Patrol.
Certified Property Manager
Certified Professional in Healthcare Quality
If it is a common abbreviation, go for it! However, it is more professional not to so I would stay away from abbreviations.
That is the correct spelling of pro (in favor of), which is also the abbreviation for "professional."
The abbreviation, CHW, can stand for several things. For example, if you are talking about professional baseball, CHW can refer to the Chicago White Sox.