Private equity firm New Mountain Capital completed the investment in Tinuiti, the largest independent performance marketing firm across Google, Facebook and Amazon. Financial terms were not disclosed. "We are relentlessly focused on how consumer attention evolves in today's digital, mobile, and increasingly eCommerce-first world. This focus fuels our strategic plan - ensuring we continue delivering incredible brand performance for our clients. New Mountain Capital understands our unique positioning as tech-enabled leaders in performance marketing, and the partnership will expedite our growth both organically and inorganically to build the digital marketing firm of tomorrow," Zach Morrison, Tinuiti CEO.