KKR Recapitalizes 25 Properties with Cornerstone to Seed New Portfolio NEW YORK & INDIANAPOLIS–(BUSINESS WIRE)– KKR, a leading global investment firm, and Cornerstone Companies, Inc. (“Cornerstone”), a full-service healthcare real estate investment, development and management firm, today announced that Cornerstone and KKR have entered into a joint venture (the “Joint Venture”) to acquire and …