Windri Marieta

Windri Marieta is the founding partner of Marieta Mauren. She specializes in investment, e-commerce, financial technology, general corporate, merger and acquisition, family law, employment, immigration, and arbitration. She is a law graduate of Universitas Indonesia.
Windri has represented clients in both domestic and international arbitration proceedings under various arbitration institutions and rules such as Badan Arbitrase Nasional Indonesia (BANI), Singapore International Arbitration Centre (SIAC), International Chamber of Commerce (ICC), UNCITRAL rules as well as handling enforcement of both domestic and international arbitral awards in Indonesia.
In 2008, she was involved in an arbitration proceeding representing the Government of Indonesia against one of the largest gold mining companies under UNCITRAL rules related to the share divestiture process. In 2012, she represented a State-owned enterprise company in a high profile construction claim pursuant to FIDIC contract with the total amount of USD 17,298,834.57 claim under ICC Rules. In 2019, she became the Counsel to a foreign investment company against one of big oil company in Indonesia for a USD 41,306,294 claim before Badan Arbitrase Nasional Indonesia (BANI).
In 2008, she was involved in an arbitration proceeding representing the Government of Indonesia against one of the largest gold mining companies under UNCITRAL rules related to the share divestiture process. In 2012, she represented a State owned enterprise company in a high profile construction claim pursuant to FIDIC contract with the total amount of USD 17,298,834.57 claim under ICC Rules. In 2019, she became the Counsel to a foreign investment company against one of big oil company in Indonesia for a USD 41,306,294  claim before Badan Arbitrase Nasional Indonesia (BANI).
Windri advises various IT based companies and assists clients in starting up business/investment in Indonesia. She also leads MM's financial technology division for advisory and licensing of a peer-to-peer lending business.
Windri is qualified and licensed to act as legal counsel before the Indonesian courts. She is also one of very few Indonesian people accepted as Fellow of the Chartered Institute of Arbitrators and is currently serving as Co-Chair of the Chartered Institute of Arbitrators (CIArb) Indonesia Chapter. Since 2019, she has been appointed as members of Board of Ethics of Indonesia Fintech Lending Association (AFPI) approved by the Financial Service Authority (OJK). In 2022, Windri is appointed as Indonesia Delegate for International Chamber of Commerce (ICC) Commission on Arbitration and Alternative Disputes Resolution. In 2023, She is appointed by OJK as external assessor for fit and proper test stage of director, commissioner and shareholder of peer-to-peer lending companies in Indonesia.
Practice Area Investment, e-commerce, financial technology, general corporate, merger & acquisition, family law, employment and immigration, arbitration, commercial litigation.
Email : marieta@marietamauren.id
Highlight Matters Include:

• Leading compliance project for 29 Indonesian companies, which are subsidiaries/affiliates of The Siam Cement Group (SCG), a leading business conglomerate in the ASEAN region. The compliance project comprised of identifying and elaborating 82 Indonesian laws relevant to the 29 companies whose lines of business vary from e-commerce, chemical, packaging, cement, and trading (2023).
• Assisting liquidation of France well-known horticulture company’s subsidiary in Indonesia. Part of the fourth-largest field seed group company and the second-largest vegetable seed company in the world – the first in Europe in both sectors – and a European food agro-industrialist (2021).
• Leading an acquisition of an Indonesian digital platform company by a foreign company who owns and operates bespoke classifieds portals in emerging markets, primarily in the MENA, South Asia and Southeast Asia regions. As a large digital platform company for property trade in Indonesia, the transaction includes complex and major acquisition process, especially during the preparation, finalization of transaction documents and negotiation among cross-jurisdiction parties involved in the transaction (2021).
• Assisted a Tech-Based Money Transfer Company (licensed under Bank Indonesia), in receiving Pre-Series A, B and B+ funding from reputable investors. Windri advised transaction scheme from Indonesian legal perspective, preparing and finalizing shares subscription agreement, shareholders agreement, loan convertible notes and others documents as relevant to the transaction) as well as attending negotiation with investors (and their counsel) (2020-2021).
• Counsel to a foreign investment company against one of big oil company in Indonesia for a USD 41,306,294 claim before Badan Arbitrase Nasional Indonesia (BANI) (2018-2019).
• Strategic counsel in USD 52 million litigation case at the Central Jakarta District Court (2016-2017)
• Assisting the transfer and delivery of shares of a company to the Government of the Republic of Indonesia (2017).
• Counsel to an Indonesian publicly listed company for an IDR 75.795.008.448 dispute under ICC Arbitration Rules (2013).
• Counsel to an Indonesian State-Owned Enterprise for a USD 17,298,834.57 FIDIC Red Book construction dispute under ICC Arbitration Rules (2012).
• Counsel to the Government of the Republic of Indonesia in a divestment of shares arbitration case against PT Newmont Nusa Tenggara in an Ad-hoc arbitration under UNCITRAL Rules (2008).

Sylvia Marisa Mauren

Sylvia Marisa Mauren is the founding partner specializing in banking and finance, investments, mergers and acquisitions and insurances. She started her career at one of Indonesia’s prominent law firm where she assisted various banking and finance, investments, mergers and acquisition, and general corporate matters.
In 2008, she joined Indonesia’s leading law firm, Hadiputranto Hadinoto & Partners. In 2010, she joined Budidjaja & Associates. During her time in Budidjaja & Associates, not only she continued to work in investments, corporate, and banking and finance matters, she also assisted several arbitration proceedings in Indonesia and outside Indonesia.
In 2013 she was invited to speak in the International Boundary Disputes & Unitisation in E&P, held in Bangkok. In the previous year, she also received a full scholarship from International Development Law Organization (IDLO) to attend the Advanced Course on Procurement in Rome, Italy.
Sylvia is qualified and licensed to act as legal counsel before the Indonesian courts.
Practice Area : Banking and finance, general insurance, mergers and acquisitions, general corporate matters, environment, energy and natural resources, alternative dispute resolutions.
Email : mauren@marietamauren.id
Highlight Matters Include:

• Assisting a financing project worth US$465,000,000 for the acquisition of an Indonesian limited liability company having core business in the field of mining supporting services
• Representing Indonesia’s leading aquaculture company assets transfer transaction worth approximately US$ 60,000,000,000 and closing down of its operation in one of its sites
• Representing a financial institution pension fund of a multinational insurance company in a portfolio transfer from a financial institution pension fund owned by one of the largest State-Owned Enterprise Banks in Indonesia, with a portfolio worth of trillions of rupiah
• Assisting a multinational insurance company in performing legal due diligence of thousands of its agreements with third party and providing advice in relation to its merger with another multinational insurance company in Indonesia
• Assisting a leading hydro power plant company in Indonesia in shares acquisition of various other power plant companies for various hydro power plant sites in Indonesia as part of its expansion plan
• Representing a leading multinational bank as the lender in a loan transaction to a Singaporean entity and advising it with respect to the Indonesian security documents
• Acting as local counsel to a leading multinational trading company based in Japan in taking over a global food producer in a deal worth USD1,700,000,000 (one billion seven hundred million United States Dollars)
• Acting as local counsel to a multinational chemical company based in the United States of America in its global restructuring, including taking over and mergers of its two Indonesian entities
• Advising a leading Japanese Bank in Jakarta in various legal matters, including assets purchase, execution of collaterals and claims of a deceased customer
• Assisting one of leading multinational insurance company against a Singaporean based mining company in a US$52,430,397 claim in an arbitration under Singapore International Arbitration Centre Rules
• Representing Indonesia’s leading multinational insurance company against its co-insurance company in a contractual dispute before the Badan Arbitrase Nasional Indonesia (BANI) with a claim of IDR 29,000,000,000
• Representing a leading reinsurance company against an Indonesian insurance company regarding a disputed insurance claim under an ad hoc arbitration in Jakarta

Desi Rutvikasari

Desi Rutvikasari joined Marieta Mauren in March 2022. Prior to signing up as partner with Marieta Mauren, the seasoned dispute resolution lawyer worked for an Indonesian leading law firm for over a decade, before briefly joining an Indonesian prominent listed shipping company as legal and insurance manager.
Ms. Rutvikasari specializes in commercial dispute resolution, including litigation, arbitration, and alternative dispute resolutions in the field of maritime law, construction law, oil and gas services as well as employment matters. She also represents clients in restructuring and bankruptcy proceedings. Occasionally, Ms. Rutvikasari represents clients in commercial and shipping related criminal proceedings.
The wide range of experience instilled in her the passion for details and tenacity that characterize her professional approach. Ms. Rutvikasari earned her law degree from Universitas Indonesia, majoring in Transnational Law in 2008. In 2012, she was awarded a Chevening Scholarship by the UK government to pursue her master’s degree in Maritime Law at Southampton University. She completed her LL.M program with Merit the next year.
In arbitration, Ms. Rutvikasari had represented clients in proceedings under the Rules of Indonesian National Board of Arbitration (BANI), Indonesian Capital Market Arbitration Body (BAPMI), International Chambers of Commerce (ICC), UNCITRAL, and Singapore International Centre (SIAC). She also assisted clients in enforcement of domestic and international arbitration awards in Indonesia. Ms. Rutvikasari was part of the winning team in a high-profile construction dispute arising out of a FIDIC contract involving a state-owned company under the ICC Rules.
In maritime law, Ms. Rutvikasari has represented clients in matters pertaining to cargo claims, marine insurance, collision, salvage, seafarer agreement, charter parties, maritime lien, marine pollution and cargo contamination issues. She had also led acquisition project of a foreign investment shipping company. *In the construction field, she advised clients on legal issues pertaining to FIDIC Standard Form Contracts.
On occasion, she also advises clients on family law such as child custody and probate matters.
Ms. Rutvikasari is qualified to practice and appear before Indonesian courts. She is also a member of the Chartered Institute of Arbitrators.
Practice Area: Maritime and shipping law, commercial dispute settlement (arbitration and court litigation), construction disputes.
Email : rutvikasari@marietamauren.id
Highlight Matters include:
Maritime and Shipping Law

• Advising a multinational bulk carrier in an issue of cargo abandonment (2023)
• Representing a national shipping company in a commercial dispute concerning supply to vessel before Central Jakarta District Court (2023)
• Advising a multinational automotive company in cargo damage issue (ongoing)
• Representing an international shipping company in a dispute concerning detention and demurrage before the Supreme Court (ongoing)
• Representing a European-based shipping company in a matter relating compliance with Indonesian Shipping Law (2022)
• Successfully defended a Europe-based shipowner in a tort claim arising out of a vessel collision before East Jakarta District Court (2021) *
• Successfully defended a national shipowner in a subrogated tort claim filed by an insurance company in connection with a vessel collision before North Jakarta District Court (2020) *

• Assisting a Singaporean law firm in a potential arbitration seated in Singapore under SIAC Rules for a dispute between foreign investor and its Indonesian partner relating to hospitality business (2022)
• Assisting international firm in an arbitration seated in Singapore under ICC Arbitration Rules, in a dispute between a foreign investor client and Indonesian joint venture partner (2017-2019) *
• Counsel to Indonesian broker company as a respondent in a dispute with its clients relating to trading loss before Badan Arbitrase Pasar Modal Indonesia (BAPMI – Indonesian Capital Market Arbitration Body) (2019-2020) *
• Counsel to a national construction services company as a respondent in a dispute with its employer arising from a construction contract before Badan Arbitrase Nasional Indonesia (BANI) (2017-2018) *
• Counsel to a multinational company as a respondent in a dispute arising out of FIDIC Red Book Contract under the Rules of Badan Arbitrase Nasional Indonesia (BANI) (2014-2016) *
• Counsel to a foreign investment company as a claimant in an arbitration under UNCITRAL Arbitration Rules of 1976 for a dispute arising out of a cooperation agreement concerning terminal operation (2016-2017) *
• Counsel to Indonesian state-owned company as a respondent in a construction dispute under FIDIC Standard Contract against an Indonesian consortium under ICC Arbitration Rules, with Singapore as the seat of arbitration (2009 – 2015) *

• Counsel to foreign creditors in the proceedings of Suspension of Payment of Debt (Penundaan Kewajiban Pembayaran Utang) of PT Garuda Indonesia, Tbk. (2021) *
• Counsel to foreign creditors in the proceedings of Suspension of Payment of Debt (Penundaan Kewajiban Pembayaran Utang) of PT Bumi Resources Tbk. (2016) *

• • Chambers Global Practice Guides: International Arbitration, with Mr. Emir Nurmansyah, Mr. Theodoor Bakker and Ms. Ulyarta Naibaho, edited by Gary Born and Wilmer Cutler Pickering Hale & Dorr LLP, published by Chambers and Partners, 2020
  • Getting the Deal Through – Shipping, with Mr. Sahat A.M. Siahaan and Mr. Ridzky Firmansyah Amin, edited by Kevin Cooper, published by Law Business Research, Ltd., 2016, 2017 and 2018
  • The Shipping Law Review, with Mr. Sahat A.M Siahaan, et.al., edited by James Gosling and Tessa Huzarski, published by Law Business Research, Ltd., 2015

Ali Suryadharma

Ali Suryadharma is a partner of Marieta Mauren and the leading partner of the firm’s energy, mining, and plantation (“EMP”) practices. Ali focuses on a wide variety of corporate laws, the EMP projects, private equity transactions and strategic cooperation, debt restructuring and commercial litigation. He has more than 18 years of experience in advising national and multinational corporations as well as state-owned enterprises in cross-border or tailor-made transactions focusing on energy, commodity, mining, and plantation. Since 2009, he also experienced in advising and representing companies in their litigation acts.
Ali Suryadharma was previously the Of-counsel of Marieta Mauren since 2017, and a licensed advocate who speaks English fluently. He is admitted to practice law in Indonesia and in late 2023 was selected as recommended lawyer by the in-house lawyer’s panel of HukumOnline.
Practice Area: Corporate laws, the EMP projects, private equity transactions and strategic cooperation, debt restructuring and commercial litigation.
Email : asuryadharma@marietamauren.id
Highlight Matters Include:

• Counsel to a reputable mineral and metal mining company in debt restructuring having valuation of more than US$100,000,000
• Representing one of Indonesian largest group of companies engaging in the business of mining services and infrastructures for restructuring their integrated mining services to a group of coal mining companies in South Kalimantan, with a value of more than US$150,000,000.
• Representing one of Indonesian largest national company engaging in the business of Hydroelectric Power Plant in the acquisition of various scales of Hydro Power Plant.
• Representing South Korean’s multi-national company in the acquisition of shares of a holding mining company from one of Indonesian conglomerate group of companies.
• Representing one of Indonesian largest plantation company and its controlling shareholders, in structuring and finalizing a USD 250 million overseas investment.
• Representing a reputable Indonesian third generation CCoW company in restructuring their coal production cooperation with existing contractors in the transaction’s amount of approximately US$300 million with regard to and in compliance with the enactment of the new mining regime under Law No. 4 of 2009 regarding Mineral and Coal Mining.
• Representing a state-owned enterprise engaging in the business of electricity producer and supplier (and its subsidiary) with regard to securing coal supply for fueling new Independent Power Plant and expansion of existing Independent Power Plants in South Sumatera, Indonesia.
• Representing a state-owned enterprise engaging in the business of cement manufactures with respect to the establishment of a cement manufacturing facility in Aceh, Indonesia.
• Representing one of Indonesian largest group of companies engaged in the retail business for defending their legal stance against various third-party illegal acts’. Most of the civil cases have been won in civil court or through settlement, and a few are pending for court judgement.
• Representing one of Indonesian largest group of mining companies in seeking compensation in court as a result of the illegal action of a shareholder and the company’s counterpart from some transactions. The case has been won in the first stage of court and pending of judgement in the high court of Jakarta.
• Representing a leading radar system manufacturer company in a legal dispute before the District Court of Jakarta Pusat (acting as a defendant) against its Indonesian partner in approximately US$10 million claim.