John F. Dix, the president of Business Development Index Ltd., recently earned the Advanced Professional Directors Certification from the Corporate Directors Group.

John F. Dix, the president of Business Development Index Ltd., recently earned the Advanced Professional Directors Certification from the Corporate Directors Group.

BDI is based in the Upper Arlington area.

The certification is earned through continuing education programs. Dr. Krishna Palepu, associate dean of the Harvard Business School, conducts the capstone course in the series.

Dix also serves as the co-director of the Center for Operational Excellence at the Fisher College of Business at OSU.