Use your expertise! Here are several ways how.
By excelling at your field of expertise, writing blogs, white papers, a book or uploading a vlog or webinar, there are many ways to use your skills and knowledge to the benefit of others. On of the more direct methods is by passing an exam in a specific topic or subject and receive a certification. This directly levels you against others and compare yourself to those who have not have this certification.
Examinations and the resulting certification enables professionals to distinguish and position themselves, help them enrich and grow their careers.