Alyssa Hook
Alyssa Hook
Chief Revenue Officer
GroundTruth
As Chief Revenue Officer, Rosie O’Meara leads top-line growth across all company solutions, with direct oversight of the company’s sales teams. 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. Rosie is also deeply involved with company-wide cultural initiatives, including serving as an executive sponsor of GroundTruth’s DEIB initiatives (Diversity, Equity, Inclusion & Belonging), participating in internal mentorship programs, and serving on the committee of Women@GroundTruth.



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, such as Tribune Media, Hearst, TEGNA, and Viamedia. Prior to Zapp360, she was part of New York-based brand and agency sales teams at Verve Mobile and ITN Digital.