Marius Ezer is a Partner in the Bucharest office and the head of the local Dispute Resolution service line.

Marius has 19 years of professional experience in dispute resolution, with a strong focus on complex insolvency proceedings, creditor rights and asset recovery, and sophisticated tax litigation. He has a strong track record in high-profile cases before the Romanian courts at all levels, as well as in domestic and international arbitration files, in sectors such as energy, agribusiness, automotive, real estate, retail and consumer goods.

His work is complemented by extensive experience in labour litigation, covering disciplinary actions, dismissal procedures, reinstatement claims, and cases involving harassment, discrimination, or contractual breaches, as well as advising real estate clients on matters governed by FIDIC contractual frameworks.

A great understanding of the business matters and legal implications thereof, that he [Marius] presents in court with the utmost eloquence.

Legal 500, 2025

RECENT ENGAGEMENTS INCLUDE ADVISING*

DISPUTE RESOLUTION

• THE LARGEST ROMANIAN OIL & GAS PLAYER in multiple litigation proceedings aimed at recovering a multi-million-euro receivable from an insolvent debtor and safeguarding the creditor’s rights
• ONE OF THE MOST SIGNIFICANT REAL ESTATE DEVELOPERS in litigation to defend its title to property against challenges brought by public authorities
• A MAJOR REAL ESTATE DEVELOPER AND OWNER OF A CLASS A OFFICE BUILDING in proceedings to protect its rights to the land on which the building was developed
• THE LOCAL SHIPYARD SUBSIDIARY OF A LEADING INTERNATIONAL SHIPBUILDING GROUP in litigation concerning the title to the property on which the shipyard operates
• A CONSTRUCTION INDUSTRY COMPANY in multiple disputes contesting fiscal authorities’ decisions relating to income tax liabilities exceeding EUR 3 million
• A LOCAL CIVIL AND INDUSTRIAL CONSTRUCTION MAINTENANCE COMPANY, acting as contractor, in an international arbitration concerning the performance of obligations under a FIDIC Red Book contract

RESTRUCTURING & INSOLVENCY

• A LEADING GLOBAL BANK in a complex restructuring process involving over 600 redundancies and numerous related labour disputes
• THE LARGEST OILFIELD SERVICES GROUP in insolvency proceedings, including the successful implementation of a reorganization plan

EMPLOYMENT & LABOUR LAW

• ONE OF ROMANIA’S MAJOR BANKS in labour litigation initiated by senior management members affected by the bank’s reorganization
• A MAJOR FINANCIAL SERVICES COMPANY in various labour disputes involving employees impacted by restructuring and reorganization plans

*Experience prior to joining Kinstellar.

EDUCATION

• 2012: Academy of Economic Studies, Bucharest, Romania, Ph.D. in Labour Law
• 2007: Academy of Economic Studies, Bucharest, Romania, Master's degree in Business Law
• 2005: Nicolae Titulescu University in Bucharest, Romania, Faculty of Law, LL.B.

PROFESSIONAL AFFILIATION

Bucharest Bar Association

LANGUAGES

Romanian, English, French