RUSSIAN biotech entrepreneurs are looking at Cambridge as a good location to set up in business.A delegation of biotech experts from Russia recently visited the city as guests of the Foreign Office.Jeanette Walker, head of business development for ERBI, the biotech network for Cambridge, said: “Because of the mature scientific and business infrastructure here, some of the Russian entrepreneurs are considering locating their companies in Cambridge, while government members of the delegation want to encourage wealthy Russians to invest in Cambridge biotechs.