Epsilon is the leader in outcome-based marketing. We enable marketing that’s built on proof, not promises. Epsilon’s award-winning data and technology is rooted in privacy by design and underpinned by powerful AI. With more than 50 years of experience working with the world’s top brands, agencies and publishers, Epsilon is a trusted partner leading CRM, digital media, loyalty and email programs. Epsilon is positioned at the core of Publicis Groupe’s operations around the world.