Mas Insan Kamil

Junior Associate

Insan Kamil graduated from the Faculty of Law, Universitas Gadjah Mada in early 2023. During his studies, he developed an interest in environmental and energy matters. Insan Kamil joined JTAsyer Law Firm in mid 2023. During his time in JTAsyer Law Firm, he is assisting other Associates in litigation and general corporate matters relating to energy, electricity, oil & gas disputes

Sonia Widia Febriana

Junior Associate

Sonia Widya is a Junior Associate at JTAsyer Law Firm, holding a bachelor of law degree from Universitas Gadjah Mada. Sonia was involved as a researcher for a negotiation competition during college and is now engaged in numerous research related to energy law. Sonia also has an extensive involvement in drafting agreements and legal memos related to general corporate matters, power, and energy law. Her keen interest and expertise in this area have led to her involvement in assisting and advising a prominent state-owned enterprise on matters concerning power, energy, and mineral resources.

Raymond Nonatus Moan Reng

Junior Associate

Raymond Nonatus Moan Reng was graduated from faculty of law at Christian University Of Indonesia Jakarta in 2013. Then in 2014, he joined as a legal officer until got promoted in 2018 as legal supervisor at PT Sadikun Niagamas Raya, a limited liability company that have lines of business at downstream oil and gas business as a distributor of PT Pertamina, such as lubricant manufacture, LPG bulk filling station, bitumen, chemical, fuel, gas truck transportation and having experienced for account receivable dispute, business license (oil trading business license, fuel transportation business permit, registered lubricant number), and agreement (distributor agreement, customer agreement and vendor agreement). In 2022, he joined as a legal at KSO Pertamina EP Petroenergy Utama Wiriagar, the company that having business at upstream oil and gas contractor as an operation contractor for PT Pertamina EP at Wiriagar Field, Bintuni, Papua Barat and obtained Work Procedure Guideline 007 Indonesia Special Unit for Oil and Gas certificate for conduct procurement in Indonesia upstream oil and gas business and having experienced for land clearing and permit, Integrated Drilling Services Project, Geology Geophysis Reservoir and Production Studies Agreement, Special Terminal Permit, Borrow to Use Forest Area License, Explosion Permit and Government Relation.

Earvin Darren Sihombing

Junior Associate

Earvin Darren Sihombing is a Junior Associate at JTAsyer Law Firm, who is actively involved in various litigation cases, particularly in the energy sectors, such as coal sale and purchase disputes, gas sale and purchase disputes, and Engineering Procurement Construction contract disputes. He graduated as a Bachelor of Law from the Faculty of Law, Atma Jaya Catholic University of Indonesia, he excels in both Indonesian criminal and civil law, and extensively widens his legal knowledge in other areas as well. During his academic years, he achieved notable accomplishments, including 1st Place in the National Moot Court Competition (NMCC) A.G. Pringgodigdo, and 3rd Place in a Legal Opinion Competition .

With a deep appreciation for his work and a strong commitment to his professional journey, Earvin is passionate, dedicated and thrives and heightens his expertise in every aspect of law."