
Our Team
Partners & Associates
Ahmad H.F. Sadig, S.H., M.H., CLA
Universitas Indonesia, Master of Law (M.H)
Universitas Pelita Harapan, Bachelor of Law (S.H)
Ahmad has 10+ years of experience as a practicing lawyer. He is a licensed advocate and a certified legal auditor. His professional portfolio includes representing prominent national figures, corporate clients, and multinational enterprises in complex legal matters.
His areas of expertise include business/corporate litigation and dispute resolution, criminal defense, and emerging technologies such as blockchain, cryptocurrency, and tokenization.
Ahmad earned his Master’s Degree in Law from Universitas Indonesia (UI) and his Bachelor of Laws (S.H.) from Universitas Pelita Harapan (UPH). Prior to joining Nelwan & Co as a Partner, he served as Managing Partner at a prominent Jakarta law firm after years of practice at one of Indonesia’s oldest and most reputable firms.
Bar Admission
Indonesian Bar Association (PERADI)
Practice Focus
Corporate, Commercial Contracts, Litigation & Dispute Resolution, Criminal Defense, Property & Real Estate Law, Technology, and Financial Technolgy
Language
Indonesian & English
Mayanda M.I. Johan, S.H.
Universitas Padjajaran, Bachelor of Law (S.H)
Mayanda is an experienced litigator with a strong background in criminal cases, commercial disputes, corporate law, and labor and employment matters. He has advised and represented clients across diverse industries.
Before joining Nelwan & Co as a Partner, Mayanda practiced at several top-tier Jakarta law firms, where he gained extensive experience in both litigation and corporate advisory.
He holds a Bachelor of Laws (S.H.) degree from Universitas Padjadjaran, Bandung.
Bar Admission
Congress Indonesian Advocate (KAI)
Practice Focus
Criminal Defense, Corporate, Litigation & Dispute Resolution, Labor & Employment
Language
Indonesian & English
Gabriel S. Mantik, S.H.
Universitas Indonesia, Bachelor of Law (S.H)
Gabriel brings more than 10 years of experience in corporate law and legal compliance. Before joining Nelwan & Co as a Partner, he served as Senior Legal Counsel for a prominent company in Jakarta, managing domestic and cross-border projects, corporate governance, and ensuring regulatory compliance.
His areas of focus include general corporate advisory, commercial contracts, project structuring, and civil litigation. Gabriel earned his Bachelor of Laws (S.H.) in Civil Law from Universitas Indonesia (UI).
Bar Admission
Indonesian Bar Association (PERADI)
Practice Focus
General Corporate, Commercial Contracts, Investments, Litigation & Dispute Resolution
Language
Indonesian & English
Aisah Batari, S.H.
Universitas Gadjah Mada, Bachelor of Law (S.H), Cum Laude
Aisah has a strong academic foundation and diverse experience in both litigation and corporate practice. She holds a Bachelor of Laws (S.H.) from Universitas Gadjah Mada (UGM), where she graduated from the International Undergraduate Program in Criminal Law.
Before joining Nelwan & Co, Aisah worked at a prominent law firm in Jakarta, where she handled a broad range of matters, including criminal and civil litigation, cryptocurrency and tokenization projects, banking, and corporate governance.
Aisah has passed the Indonesian Bar Exam and is a Certified Legal Auditor, strengthening her expertise in legal risk assessment and compliance.
Practice Focus
Criminal Law, General Corporate, Commercial Contracts, Litigation & Dispute Resolution
Language
Indonesian & English