Ginny Marvin

Ginny Marvin is Third Door Media's Editor-in-Chief, managing day-to-day editorial operations across all of our publications. Ginny writes about paid online marketing topics including paid search, paid social, display and retargeting for Search Engine Land, Marketing Land and MarTech Today. With more than 15 years of marketing experience, she has held both in-house and agency management positions. She can be found on Twitter as @ginnymarvin.

AppNexus gives up MRC accreditations

Deciding instead to piggyback on their partners' accreditation, the ad tech firm has lost accreditation for all metrics and has withdrawn from the...