President at AppLovin
Rubenstein is known for his leadership in programmatic advertising infrastructure, first at AppNexus where he helped define open programmatic markets, and now at AppLovin where he oversees one of mobile advertising's most powerful and fast-growing technology platforms.
Last updated Feb 27, 2026 by AI Enrichment
Michael Rubenstein is President of AppLovin, where he has played a central role in scaling the company into one of the most influential mobile advertising technology platforms in the world. AppLovin's software and advertising ecosystem — spanning MAX mediation, AppDiscovery, and its AI-driven AXON engine — serves tens of thousands of app developers and advertisers globally, and Rubenstein has been a driving force behind the platform's programmatic capabilities and commercial growth. Before joining AppLovin, Rubenstein had a distinguished career in digital advertising, most notably as President of AppNexus, the independent programmatic advertising technology company that was acquired by AT&T's Xandr division in 2018. At AppNexus, he was instrumental in building one of the industry's most respected open programmatic platforms and was widely regarded as a key figure in the evolution of real-time bidding and supply-side technology. His deep expertise in programmatic infrastructure and marketplace dynamics made him a natural fit for AppLovin's ambitions in mobile. Rubenstein brings over two decades of experience across digital media, ad tech, and platform development. His career reflects a consistent focus on building scalable, technology-driven advertising marketplaces — from open-web programmatic at AppNexus to mobile-first ecosystems at AppLovin. He is recognized in the industry for his operational acumen and his ability to translate complex ad technology into high-growth business outcomes.
AppNexus (2012-2018)
DoubleClick / Google (prior to AppNexus)