Partner

Jakarta
Indonesia

+62 21 2251 3653

Highly regarded

English
Indonesian


Bar admissions:

Indonesia

Jurisdictions:

Indonesia

Practice areas:

Capital markets
M&A


Rambun is an acclaimed Indonesian lawyer recognized for his exceptional expertise in Capital Markets, Corporate and M&A, Banking & Finance, Projects, Energy & Infrastructure, and Restructuring & Insolvency. With over 40 years of experience, he has established himself as a trusted authority in these fields. As the Founding Partner of TnP Law Firm (formerly TJAJO & Partners), Rambun continues to set benchmarks in legal excellence.

Clients consistently commend Rambun for his unparalleled depth of knowledge, pragmatic problem-solving approach, and unwavering commitment to delivering solutions with professionalism and urgency. His ability to address complex legal issues with precision and practicality has made him a sought-after lawyer in the legal landscape.

Rambun's exceptional capabilities have earned him widespread acclaim from renowned independent legal directories. He is ranked as “Highly Regarded” in Capital Markets and M&A in the IFLR1000 2024 Rankings. Additionally, Chambers Asia-Pacific Guide has recognized him with a prestigious Band 2 ranking in Capital Markets for six consecutive years (2020–2025), underscoring his consistency and expertise.

His accolades extend beyond rankings. Rambun has been honored as the “Dealmaker of the Year” at the ALB SE Asia Law Awards and the ALB Indonesia Law Awards across multiple years (2019–2022). Further affirming his stature, he has been repeatedly named in Asia Business Law Journal’s A-List of the top 100 lawyers in Indonesia for 2021–2025.

  • Representing Mayora Group, one of Indonesia’s largest conglomerates, in the acquisition of one of its subsidiaries, PT Bank Mayora, by PT Bank Negara Indonesia Tbk, one of Indonesia largest state-owned banks listed in Indonesia Stock Exchange (IDX).
  • Representing both PT Semen Indonesia (Persero) Tbk and PT Solusi Bangun Indonesia Tbk in securing their Sustainability Linked Loan Credit Agreement with a consortium of twelve banks, a testament to our commitment to driving Environmental, Social, and Governance initiatives to fruition.
  • Representing the Bakrie family including Bumi in their landmark USD1,6 billion (equivalent to Rp24trillion) acquisition of Bumi by Salim group. The acquisition is conducted by way of a private placement of Bumi issuing new shares up to 200 billion new shares. The deal value is recorded as one of the largest-scale M&A deals in the past few years and the deal involves financing, capital market and energy spectrums

  • Capital markets: Debt
  • Capital markets: Equity
  • M&A, Banking
  • Restructuring and insolvency

  • Construction and materials
  • Financial services
  • Energy
  • Government and public policy
  • Mining 
  • Natural resources
  • Oil and gas

  • Practice in the courts of Indonesia (since 1984)
  • Registered with the Indonesian Financial Services Authority (Otoritas Jasa Keuangan - “OJK”) as a
  • Professional Supporting to the Capital Markets, and with the Department of Law and Human Rights of the Republic of Indonesia as a Receiver and Administrator in Bankruptcy Proceedings.

  • Member of the Financial Sector Legal Consultants Association (Himpunan Konsultan Hukum Sektor Keuangan or HKHSK, formerly HKHPM)
  • Member of the Advisory Board of the Next Indonesia Unicorn Initiative (Next Icorn)
  • Member of the Indonesian Advocates Association (Perhimpunan Advokat Indonesia - PERADI) and practice in the courts of Indonesia since 1984