On 1 November 2014 the new Commission officially assumed office.
The Commission is composed of the College of Commissioners of 28 members, including the President and Vice-Presidents. The Commissioners, one from each EU country, are the Commission's political leadership during a 5-year term. Each Commissioner is assigned responsibility for specific policy areas by the President.
On the Commission website (http://ec.europa.eu/commission/2014-2019_en), you can find all information on the working of the Commission, its structure, history and procedures.
For each commissionner, you can find the following information: responsibilities, biography, mission letter, answers to the European Parliament questionnaire.