LEWISTON — Geiger associates Jean Michalski, Stephanie Jones and Betsy Shuster-Folga have recently earned advertising certifications.

Those who earn Promotional Products Association International certification demonstrate a commitment to both business excellence and continual professional growth. A relatively small percentage of professionals hold these certifications and are known as the industry’s innovators and leaders.

Michalski earned the certification of certified advertising specialist, which requires 50 hours from a structured industry approved curriculum.

Jones and Shuster-Folga earned the certification of master advertising specialist, which requires a minimum three years of experience in the promotional products industry and additional master advertising specialist level course curriculum.