Malaysia-based private equity firm Navis Capital Partners has announced the sale of Indonesia-based PT Efficient English Services (EES) to global publishing and education company Pearson. EES manages the Indonesian operations of the Wall Street Institute, a global English-language education service. Navis established the Wall Street Institute business as a greenfield investment in 2007 for approximately US$1.5 million through its Navis Asia Fund IV and Navis Asia Fund IV-S vehicles. Pearson is acquiring EES for US$16.3 million, representing a tenfold return for Navis.