He specialises in corporate/M&A, foreign investment and joint ventures, and project development. His main industry focus is the oil and gas, power, mining and infrastructure sectors, with a specialisation in the renewables sector. Arman is part of Herbert Smith Freehills’ global energy and infrastructure practice, and spent six months on secondment in the Singapore energy and infrastructure team in 2019.

He has advised:

• Chevron International on the successful disposal of its geothermal assets and related power business interests in Indonesia to Star Energy, AC Energy and Electricity Generating Public Company, including the Darajat and Salak fields in West Java, some of the world's largest geothermal power assets
• GDF International SAS and ENGIE Corp Luxembourg Sàrl on the successful divestment of shares in ENGIE E&P International SA, as the beneficial holder of participating interests in the Muara Bakau, Arguni I and North Ganal Production Sharing Contract working areas to Neptune Energy Group Holdings Limited
• Fortum Corporation in relation to the greenfield development of the first waste-to-energy plant in Indonesia which is located in Sunter, Jakarta, in co-operation with a regional-owned enterprise, including in relation to joint venture, power purchase agreement, waste supply arrangements, financing and other operational arrangements
• PT Pertamina Rosneft Pengolahan dan Petrokimia as the project company from the joint venture of PT Pertamina (Persero) and Rosneft Oil Company in relation to a new integrated refinery and petrochemical complex in Tuban, East Java, Indonesia
• China Development Bank on US$384,000,000 loan facility made available to PT Sulawesi Mining Investment with respect to the integrated nickel mining and nickel-iron refining/smelting project, as one of Indonesia’s fast growing nickel-iron refining/smelting project, in Bahodopi, Morowali, Central Sulawesi, Indonesia