TAB enables brands

to use data to drive marketing decisions faster and deliver relevant content on mobile at scale

Your global mobile Performance Media Company

Globally-minded mobile specialists

Here at TAB, our core business is being a gateway between global brands and mobile consumers. As your mobile performance media company we support, connect, and separate different types of consumer variables to amplify mobile media channels for brand communication and recognition.

We are a full-service provider, meaning we can do it all – from acquisition, tracking, reporting and optimization, to strategic campaign planning and creative assets.

With over 250 partners connected to our RTB technology & in-house, demand-side platform, our media reach expands across social, display, native, video, rich media, search, and more. TAB’s services are unparalleled when it comes to bringing the best value and ROI for each media dollar spent. Let us be your partner for mobile.

Meet the Management

Matthias Lesch Matthias Lesch

Matthias Lesch

Founder & CEO

Matthias Lesch is a serial entrepreneur & initiator of various adtech & online marketing related startups (, Matthias developed his passion, leadership, and vision in his previous management roles at GDCC,, Evonik (Degussa Group).


Klaus Markefsky Klaus Markefsky

Klaus Markefsky

Co-Founder & Director IT

Klaus Markefsky is a technophile and experienced business intelligence expert. Klaus’ passion for tech, and industry knowledge made him highly successful in his previous positions at various adtech and marketing companies including,,


Diana Siedentopf Diana Siedentopf

Diana Siedentopf

Chief Financial Officer

Diana Siedentopf is a natural born, accountant and leader. Her work ethics and attention to detail are unparalleled as she has proven in her previous roles in leading accounting departments at, Kives and several more.