Management advisory and investment firm Delta Partners has signed an agreement to invest up to EUR10 million (approximately US$13.1 million) in mobile virtual network operator Virgin Mobile Central and Eastern Europe (VMCEE). This is part of a larger EUR40 million (approximately US$51.8 million) financing round for VMCEE that includes participation from development finance institutions International Finance Corporation and European Bank for Reconstruction and Development and investment fund CEE Mobile Capital. Delta Partners’ investment will be structured through Delta Partners Emerging Markets TMT Growth Fund II. VMCEE intends to use the capital to launch Virgin Mobile in Turkey and for further growth in existing Virgin Mobile operations in Poland.