Grant Thornton International has appointed Pascal Boris and Coline McConville as its first external independent board members.
Boris, who was previously BNP Paribas (Suisse) South Africa chief executive, is currently the country head of BNP Paribas in Switzerland. A role he has held since September 2007.
Prior to these roles, Boris was a French foreign trade advisor and used to chair the French Chamber of Commerce in the UK.
McConville is a former chief executive of advertising agency Clear Channel Europe. Her most recent role was as European media adviser for private equity firm, APAX.
The appointments are for a three year term and are renewable once for a two year period.
The Grant Thornton International board of governors now consists of 16 members.