Rosie O’Meara

Chief Executive Officer
Rosie O’Meara is Chief Executive Officer of GroundTruth, building on her experience in the advertising and media industry to usher GroundTruth into its next era of growth. During her time at GroundTruth, Rosie has been instrumental to the company’s market strategy and expansion within the advertising industry. This includes developing and implementing key company growth and product initiatives, such as the acquisition of Addy.
Formerly GroundTruth’s Chief Revenue Officer, Rosie led top-line growth across all company solutions, with direct oversight of the company’s sales teams. She’s also been deeply involved with company-wide cultural initiatives, including serving as an executive sponsor of GroundTruth’s DEIB (Diversity, Equity, Inclusion & Belonging) initiatives, participating in internal mentorship programs, and serving on the committee of Women@GroundTruth.
As a 2022 Top Women In Media and AdTech honoree, Rosie has been recognized as a Tech Trailblazer for her impact on the greater digital media and advertising technology community. Her industry insights, views on the impact of cultural change and professional accomplishments have all been featured at major industry events and leading publications. She is also a celebrated board member of the DPAA and WE.DOOH, the DPAA’s women empowerment group.
Before joining GroundTruth, Rosie served as Vice President of Customer Success & Mobile Initiatives at a4Media. She joined a4Media through their acquisition of mobile ad platform Zapp360 in 2018. As CEO of Zapp360, she built and grew the business into a profitable SaaS mobile marketing platform for local media companies. Prior to Zapp360, she was part of New York-based brand and agency sales teams at Verve Mobile and ITN Digital.

Based in New York, NY.