COG Training Learn more about our online, in-person & virtual training programs About the COG Online Training Center Learn more about our Online Training Center. Access Online Training Learn how to get access to our online training bundles. Certification Requirements Learn more about our certification requirements. In-Person & Virtual Training View our calendar for in-person & virtual trainings. Online Training On-line courses for county board staff and providers. OTC Learners Handbook Learn how to use the COG Online Training Center.