As companies prioritize digital transformation, the relationship between in-house marketers and their agency partners is changing, and both parties have to adapt quickly. Mark Sneider, owner and president of agency-client relationship expert RSW/US, spoke with eMarketer’s Jillian Ryan about how this dynamic has shifted, and what agencies need to do to stay relevant to their clients. Sneider was interviewed as part of eMarketer’s May report, "The Modern Marketing Department 2018: Evolution Through Digital Transformation."