Some current members of the Club of Rome or its two siblings:

Al Gore – former VP of the USA, leading climate change campaigner, Nobel Peace Prize winner, Academy Award winner, Emmy winner. Gore lead the US delegations to the Rio Earth Summit and Kyoto Climate Change conference. He chaired a meeting of the full Club of Rome held in Washington DC in 1997.

Javier Solana – Secretary General of the Council of the European Union, High Representative for EU Foreign Policy.

Maurice Strong – former Head of the UN Environment Programme, Chief Policy Advisor to Kofi Annan, Secretary General of the Rio Earth Summit, co-author (with Gorbachev) of the Earth Charter, co-author of the Kyoto Protocol, founder of the Earth Council, devout Baha’i.

Mikhail Gorbachev – CoR executive member, former President of the Soviet Union, founder of Green Cross International and the Gorbachev Foundation, Nobel Peace Prize winner, co-founder (with Hidalgo) of the Club of Madrid, co-author (with Strong) of the Earth Charter.

Diego Hidalgo – CoR executive member, co-founder (with Gorbachev) of the Club of Madrid, founder and President of the European Council on Foreign Relations in association with George Soros.

Ervin Laszlo – founding member of the CoR, founder and President of the Club of Budapest, founder and Chairman of the World Wisdom Council.

Anne Ehrlich – Population Biologist. Married to Paul Ehrlich with whom she has authored many books on human overpopulation. Also a former director of Friends of the Earth and the Sierra Club, and a member of the UN's Global Roll of Honor.

Hassan bin Talal – President of the CoR, President of the Arab Thought Forum, founder of the World Future Council, recently named as the United Nations 'Champion of the Earth'.

Sir Crispin Tickell – former British Permanent Representative to the United Nations and Permanent Representative on the Security Council, Chairman of the ‘Gaia Society’, Chairman of the Board of the Climate Institute, leading British climate change campaigner.

Kofi Annan – former Secretary General of the United Nations. Nobel Peace Prize Laureate.

Javier Perez de Cuellar – former Secretary General of the United Nations.

Gro Harlem Bruntland – United Nations Special Envoy for Climate Change, former President of Norway

Robert Muller – former Assistant Secretary General of the United Nations, founder and Chancellor of the UN University of Peace.

The Dalai Lama – The 'Spiritual Leader' of Tibet. Nobel Peace Prize Laureate.

Father Berry Thomas – Catholic Priest who is one of the leading proponents of deep ecology, ecospirituality and global consciousness.

David Rockefeller – CoR executive member, former Chairman of Chase Manhattan Bank, founder of the Trilateral Commission, executive member of the World Economic Forum, donated land on which the United Nations stands.

Stephen Schneider – Stanford Professor of Biology and Global Change. Professor Schneider was among the earliest and most vocal proponents of man-made global warming and a lead author of many IPCC reports.

Bill Clinton – former President of the United States, founder of the Clinton Global Iniative.

Jimmy Carter – former President of the United States, Nobel Peace Prize Laureate.

Bill Gates – founder of Microsoft, philanthropist

Garret Hardin – Professor of Human Ecology. Originator of the 'Global Commons' concept. Has authored many controversial papers on human overpopulation and eugenics.

Other current influential members:
(these can be found on the membership lists of the COR (here, here, and here), Club of Budapest, Club of Madrid and/or CoR National Association membership pages)

Ted Turner – media mogul, philanthropist, founder of CNN
George Soros – multibillionare, major donor to the UN
Tony Blair – former Prime Minister of the United Kingdom
Deepak Chopra – New Age Guru
Desmond Tutu – South African Bishop and activist, Nobel Peace Prize Laureate
Timothy Wirth – President of the United Nations Foundation
Henry Kissinger – former US Secretary of State
George Matthews – Chairman of the Gorbachev Foundation
Harlan Cleveland – former Assistant US Secretary of State and NATO Ambassador
Barbara Marx Hubbard – President of the Foundation for Conscious Evolution
Betty Williams – Nobel Peace Prize Laureate
Marianne Williamson – New Age 'Spiritual Activist'
Robert Thurman – assistant to the Dalai Lama
Jane Goodall – Primatologist and Evolutionary Biologist
Juan Carlos I – King of Spain
Prince Philippe of Belgium
Queen Beatrix of the Netherlands
Dona Sophia – Queen of Spain
José Luis Rodríguez Zapatero – current Prime Minister of Spain
Karan Singh – Former Prime Minister of India, Chairman of the Temple of Understanding
Daisaku Ikeda – founder of the Soka Gakkai cult
Martin Lees – CoR Secretary General, Rector of the UN University of Peace
Ernesto Zedillo – Director of The Yale Center for the Study of Globalization
Frithjof Finkbeiner – Coordinator of the Global Marshall Plan
Franz Josef Radermacher – Founder of the Global Marshall Plan
Eduard Shevardnadze – former Soviet foreign minister and President of Georgia
Richard von Weizsacker – former President of Germany
Carl Bildt – former President of Sweden
Kim Campbell – former Prime Minister of Canada and Senior Fellow of the Gorbachev Foundation
Vincente Fox – former President of Mexico
Helmut Kohl – former Chancellor of Germany
Romano Prodi – former Prime Minister of Italy and President of the European Commission
Vaclav Havel – former President of the Czech Republic
Hans Kung – Founder of the Global Ethic Foundation
Ruud Lubbers – United Nations High Commissioner for Refugees
Mary Robinson – United Nations High Commissioner for Human Rights
Jerome Binde – Director of Foresight, UNESCO
Koïchiro Matsuura – Current Director General of UNESCO
Federico Mayor – Former Director General of UNESCO
Tapio Kanninen – Director of Policy and Planning, United Nations
Konrad Osterwalder – Under-Secretary-General of the United Nations
Peter Johnston – Director General of European Commission
Jacques Delors – Former President of the European Commission
Domingo Jimenez-Beltran – Executive Director of the European Environment Agency
Thomas Homer-Dixon – Director of Peace and Conflict Studies, University of Toronto
Hazel Henderson – Futurist and 'evoluntionary economist'
Emeka Anyaoku – former Commonwealth Secretary General, current President of the World Wildlife Fund
Wangari Maathai – Nobel Peace Prize Laureate, founder of the Green Belt Movement
and many more….