Established in 2000 by Oesman Sapta Odang, OSO GROUP is a private holding company headquartered in The City Tower Building, Jakarta. OSO GROUP – A brand that represents the visionary & pioneering attributes of its founder, strategically manages and controls its subsidiaries through financial and business operation supports.

With 13 Business Unit incorporated as OSO GROUP Subsidiaries dividing into 6 sectors including Property, Financial Services, Transportation, Mining, Manufacture, Agro-business, OSO GROUP plans to innovate and reshaping the future era of Indonesia.

In 2019, one of OSO GROUP subsidiaries mainly focused in Property Development, PT. Citra Putra Realty Tbk, carried out an initial public offering to increase financial support for the group. Raising $6.7 million in initial offer.
OSO GROUP commits in managing and transforming of every business that will reshapes Indonesia.

Vision & Mision

To professionally run company that generates optimum revenue in all business industries it is involved in.



To be a company that is both profit oriented and socialy responsible. To be a company that is able to give added value to its shareholders, business partners and employees




Raja Sapta Ervian has been serving as the President Director since 2019. He obtained bachelor degree in law from University of Pancasila – Jakarta then later the master degree from University of Gajah Mada – Yogyakarta. Presently he is also in charge for multiple leadership roles as President Director of PT. Karimun Granite, President Commissioner of PT. Area Hijau Alam Lestari (AHAL), as well as Law Consultant of MR & Partner


Mr. Soerjanto has served as Managing Director since September 2020 after joining the company as Chief Operating Officer. With over 30 years of experience in various industries such as palm oil, finance, oil & gas, e-commerce and shipping, he previously served as President Director at PT Putera Manunggal Perkasa (ANJ Group), Finance Director at PT Citra Borneo Indah (CBI Group), President Director at PT ASDP Indonesia Ferry (Persero), Finance Director at PT Djakarta Lloyds (Persero), Risk Management Director at PT Bahana Pembinaan Usaha Indonesia (Persero), Commissioner at PT Bahana TCW Investment Management, President Director at PT Grahaniaga Tatautama, Vice President at Citibank N.A. Jakarta and Senior Field Engineer at Schlumberger Overseas S.A. He has a Bachelor’s Degree in Telecommunications Engineering from Bandung Institute of Technology and an MBA from the University of Chicago Booth School of Business.


Operational Director since September 2020, after serving as Director of Administration at OSO Group since 2019, Joined OSO Group in 2009, she started as Legal Manager and steadily builds her career in the company.
She began to work long before graduated from Faculty of Law, Pancasila University. Worked as Internal Control at Bank Duta (1989-1994), and then held different positions in various industries such as trading and public relations.
After she get her Master from post graduate program at the University of Indonesia, she worked as a Legal and HR Manager at PT Bakti Alter Purna Bhayangkara, Bakries Group from 2006-2009 .


Ridwan Zachrie is currently sitting as Director of Finance/Chief Financial Oficer of PT Citra Putra Mandiri, OSO Group. Before joining the OSO Group, previously he was sitting as Director of Finance/Chief Financial Officer and Director of Operation/Chief Operation Officer of PT Perikanan Nusantara (Persero); Senior Executive Vice President at Perum Perikanan Indonesia; Managing Director at PT Recapital Advisor, Vice President at Hongkong & Shanghai Bank Corporation (HSBC); PT Bank Mandiri (Persero) Tbk. He was also sitting as Risk Committee at PT Berau Coal Energy Tbk; PT Bank Tabungan Pensiun Nasional, PT Aetra Air Jakarta.
Ridwan Zachrie graduated from Faculty of Law, University Trisakti with Cum Laude predicate and completed his Master degree from the London School of Economics & Political Science (LSE), University of London. He was funded under the British Chevening Awards Scholarship.
On his achievement, he obtained the Best CFO Awards in 2019 by Institute of Certified Management Accountant Australia; the most potential human resources practitioners by Human Capital Magazine 2009 and the most inspirative human resources practitioners by Human Capital Magazine 2010. He was the recipient of Asia pacific young business leader by Asia 21 Network New York USA (Tokyo 2008) and winner of United Kingdom Alumni Business Awards 2008 by the British Council.