The Marbleton Property Fund has formed a joint venture with Moscow-based Storm Properties to develop a 100,000 m[sup]2[/sup] suburban office park on the outskirts of the Russian capital The joint venture recently acquired a nine-hectare land plot for the project, according JER Partners, which along with Russian private equity group Alfa Capital Partners is a sponsor of the Marbleton Fund. JER is the global real estate investment arm of the J.E. Robert Companies.