To add your professional title next to your name, be sure you're in your Profile. Keep it short and simple, acronyms only please.
Click on the Edit button in the top right corner of your Personal Information box.
A drawer will slide out from the right, edit Professional Titles using commas to separate each acronym.
Don't forget to Save! When you're done uploading, click Save in the top right corner.
To cancel any changes you've made, simply click the left arrow in the top bar. You will be prompted "You have unsaved changes. Are you sure you want to leave without saving?" Just click 'OK' and your changes will not save.