HMA Advocaten

Our Team

Our team can provide clients with high quality support for their business legal challenges.


Hermanto, S.H., M.H.

Managing Partner & The Lawyer

Graduated from the Faculty of Law, Bosowa Makassar University in 2009 and pursued his master degree from Jayabaya University in 2020 Hermanto is the founder of HMA Advocaten Law Firm. Before establishing the Firm, he was an independent professional lawyer works for numerous clients and wins numbers of cases in company’s business transactions.

Hermanto focuses on general and special crime (corruption and money laundering crimes) as well as civil litigations (Niaga, Tata Usaha Negara, PKPU), labour law, environment law, family law. Over the years he has assisted foreign investment and local investment companies on both contentious and non-contentious matters (commercial transactions, Business Judgement Rules and Good Corporate Governance issues, land acquisition issues, etc)

Arief Irfansyah, S.H. ​

Managing Partner & The Lawyer

Graduated from the Faculty of Law, Pakuan Bogor University in 2012. Arief start his career as a lawyer since 2015.

Arief has experience as a lawyer representing clients in the fields of business disputes, legal audits, state administration, corruption, procurement of goods and services in BUMN, and contract negotiations.

With career experience as a lawyer, Arief always commited to using the best ability & professionalism to defend clients and clients business interests.

Taruli Tua Tampubolon, S.H.

Managing Partner & The Lawyer

Taruli has been practicing as an advocate since 2014 as a corporate lawyer who is accustomed to handling corporate legal due diligence or legal audits of state-owned and private companies, mining law, engineering cooperation contracts, procurement and construction contracts (EPC Contracts), IPP (Independent Power Producer), electricity law with new and renewable energy, and making legal opinions to mitigate risks before companies cooperate or take corporate actions.

In carrying out his profession as an advocate, he believes that,
“The client’s desire is a challenge that must be achieved with hard work and loyalty”.

RBG Aditya Putra Anindyaguna, S.H.

Managing Partner & The Lawyer

Graduated from Al-Azhar University in Indonesia in 2012 practicing as an advocate since 2014 with legal experience in the fields of bankruptcy, employment, tax and investment contracts.

Adit also has experience representing corporate clients to negotiate or renegotiate, resolve business contract disputes through dispute resolution, procurement law and services.

Adit has the spirit to “Provide the best and appropriate legal services to clients as the implementation of advocates as a noble profession”.

Teguh Dwi Sabario, S.H.

Managing Partner & The Lawyer

Graduated from Pakuan Bogor University in 2014, Teguh started his career an advocate since 2015.

Teguh has various experiences, including in the fields of family law, inheritance, import-export company licensing, franchising, and investment law. “The trust given by the client is an honor and must be carried out with integrity and professionalism”.

Panji Satria Utama, S.H.

Managing Partner & The Lawyer

Panji Satria Utama is a qualified Indonesian Lawyer based in Jakarta. Graduated from the Faculty of Law of the Pakuan University, majoring Criminal Law.

His practice focuses on litigation & dispute resolution, bankruptcy, employment, aviation, banking & finance, and general corporate matters. He started his career by working in several prominent law firms in Jakarta, both local and international firms, where he gained invaluable experience and expertise for mor than 3 (three) years.

In the course of his career, he has represented many major companies in a wide range of business transactions, cross-border financing, and other domestic and international transactions and/or litigation & dispute proceedings in court.

Listi Witanni, S.H., LLM, M.Kn.

Managing Partner & The Lawyer

Listi Witanni joined the Hermanto & Partners Law Firm in 2019. Her practice focuses on Corporate and Commercial Law issues and Compliance and Regulatory issues.

Before joining this Law Firm, Listi had experience working at mining and aviation industries as a Vice President of Legal and Compliance, where she practices commercial transactions, commercial dispute resolutions,  constructions and competition law.

She holds a bachelor degree from the University of Indonesia and a master degree from Utrecht Universiteit, the Netherland. 

Dian Indah Subiakti, S.H., M.B.A.

Managing Partner & The Lawyer

An exciting opportunity to bring together, motivated, energetic, positive and creative. Joined with the HMA Advocaten Law Firm in may 2019 and concentration on compliance & regulation issues.

Before join HMA Advocaten, Dian had worked with several company as EJ Legal Limited UK company, Central London and Corporate paralegal also in Central London.

Dian finished her Bachelor Degree form Bosowa University of Makassar Indonesia and Master Degree from Cardiff University, Wales United Kingdom (UK).