Dr. Pentecost received his Doctor of Dental Surgery Degree from Loma Linda University in 1988. Since that time, he has been in private practice in Eureka.

He is an active member of the American Dental Association, the California Dental Association, and Humboldt-Del Norte Dental Association. Dr. Pentecost is also a member of the Academy of General Dentistry, which is an organization that is committed to high standards of excellence in dentistry.

Dr. Pentecost believes in life-long learning, therefore, he is constantly taking advanced Continuing Education courses designed to improve the quality of care and to deliver excellent dentistry.