Discover everything you need to knowabout MASTR.

MASTR stands for MAnagement and STRategy of influencer activities. In 2020, PR and media agency Day One, based in Roeselare (BE) and Hoofddorp (NL), consolidated all its influencer activities under the MASTR brand.

Our core activities are the management and development of influencers, as well as strategy development and implementation of the optimal influencer concept for brands and companies, using a combination of internal and external influencers.

MASTR is led by Mathieu Santy. Mathieu started building up the influencer activities within Day One since 2016 and now uses his knowledge and experience within MASTR. Mathieu has already extensively navigated this field and has concrete experience with activities for entertainment clients such as Mattel, MGA Entertainment, Warner Bros, Universal Home Entertainment, Kinepolis Film Distribution and many more.