RiverStone Group, an insurance services provider, agreed to acquire the North American and Bermuda business of DARAG Group, a legacy insurance group. Financial terms were not disclosed. "We are thrilled to integrate DARAG’s North American team into our dynamic fold. It will bring additional talent to RiverStone’s highly experienced teams, support our unparalleled reputation, and continue to build on the success we have each created in the legacy and captive insurance markets," Bob Sampson, RiverStone President.