University of Padjadjaran - (Bachelor of Laws)
University of Trisakti - (Master of Economics)
World Maritime University - (Master of International Maritime Law)
Member of the Chartered Institute of Arbitrator - (MCIArb)
Associate of Indonesian Institute of Arbitrators - (AIIArb)
Certified IMAC Mediator - (CIM)

Zaka has a remarkable track record of success trying both civil and criminal cases in courts. From the beginning of a dispute through to resolution, Zaka helps the clients make well-informed decisions for government institutions, corporations, executives and directors. He has extensive exposures in representing clients before the courts and at the arbitration forum in disputes covering the following legal areas: Commercial Law, Security Enforcement, State Administration Law, Bankruptcy Law (Insolvency and Restructuring), Insurance Law, Anti Trust Law, Labor Law, Intellectual Property Law, Tax Law (Objection advisory at the Directorate General of Tax, Appeal at the Tax Court and Civil Review at the Supreme Court), Shipping & Admiralty, Mining, Oil and Gas, and Plantation. Zaka is also an Indonesian certified Tax specialist.