In short, certification opens doors. The ABGC certification, CGC® credential, is the gold standard in the genetic counseling profession. Most employers require their genetic counselors to be certified. In states that require genetic counselors have a license to practice, the CGC® is an essential component for obtaining a license. The CGC® provides assurances to the public, employers, and colleagues that the certificate holder has the knowledge, skills, and expertise to enter professional practice.