Brian O'Brien is a Partner in Advisory Department.

Brian has been working in the PwC office in Warsaw since 1995. He is the leader of the Investigations and Forensic Services Team. Brian O'Brien has conducted investigations in both multinational and Polish companies in a number of countries in Central and Eastern Europe and in a wide range of industries including pharmaceuticals, energy, manufacturing, retail and construction.

Brian is also leader of the Real Estate team, which offers a wide range of services, including audit and business assurance, tax advice and transaction services to clients in the real estate sector.