Madison Dearborn Partners-backed Ankura, a global business advisory and expert services firm, completed the acquisition of Water Street Partners, an advisory firm on joint venture transactions and governance. Financial terms were not disclosed. "We welcome the entire Water Street team to Ankura with open arms. This combination is a significant development that will benefit our firm, our professionals and our clients worldwide. We will continue to execute our growth strategy delivering customized services to our clients during these extraordinary times and into the future," Philip Daddona, Ankura President.