[citation needed]

The Club of Rome is a membership organization and has different membership categories.[14] Full members engage in the research activities, projects, and contribute to decision-making processes during the club's annual general assembly.Of the full members, 12 are elected to form the executive committee, which sets the general direction and the agenda.[15] Of the executive committee, two are elected as co-presidents.The secretary-general is appointed by the executive committee and is responsible for the day-to-day operation of the club.Aside from full members there are associate members, who participate in research and projects, but have no vote in the general assembly.[16] The club has a satellite office in Brussels.[17]

The club also has honorary members.Notable honorary members include Princess Beatrix of the Netherlands, Orio Giarini, Jean-Pascal van Ypersele, Fernando Henrique Cardoso, Mikhail Gorbachev, King Juan Carlos I of Spain, Horst Köhler, and Manmohan Singh.