GTCR backed-Dreamscape, a partnership between GTCR and three AdTech's industry veterans, completed the investment in Standard Media Index, an information services company providing global media agency expenditure data. Financial terms were not disclosed. "SMI's leading data and ad intelligence products provide clients with real-time information to help drive better strategies around spend, placement and yield optimization. With the proliferation of media channels and ad types, the insights that SMI can help provide are now an essential driver of media strategy. The company's deep relationships with clients and agency partners are underpinned by its customer-centric approach and its commitment to innovation. The SMI team has built a truly unique offering and, together with our partners at GTCR, we believe there is an opportunity to further advance the platform and drive growth across the business." Scott Knoll, Standard Media Index CEO.