Farrington joins the forum in his capacity as director-general of CERP,the European PR association.
IPR assistant director and head of marketing and PR Ann Mealor said the appointment would give the PR industry 'an important voice' on CSR issues.
The organisation will put forward to the forum the IPR view that a European framework for CSR should disseminate best practice models to corporations, so that these can then be implemented on a voluntary basis.
The IPR remains firmly against CSR codes being imposed on businesses by legislation and believes companies - particularly small businesses - are more likely to implement CSR initiatives once they are convinced of the business advantages of doing so.
Farrington's move follows the IPR's recent response to the European Commission's Green Paper consultation, Promoting a European Framework for Corporate Social Responsibility.