1. Official documents, certificates, or qualifications that verify a person's professional qualifications, expertise, and authority to practice in a specific field
She presented her professional credentials before taking the medical licensing exam.
Ela apresentou suas credenciais profissionais antes de fazer o exame de licença médica.
2. The sum of a person's achievements, certifications, education, and experience that establish their competence in a profession
His impressive professional credentials include a PhD and 15 years of industry experience.
Suas credenciais profissionais impressionantes incluem um doutorado e 15 anos de experiência no setor.