- DR. VIRGINIA ABERNETHY, Editor, Population and Environment, Vanderbilt University
- RICHARD VAN ALSTYNE, Family farmer and environmentalist
- CHARLES R. AUSHERMAN, Executive Director, Institute for Development Training; Ordained minister, Reformed Church in America
- TIM BLACK, Chief Executive, Marie Stopes International, London
- PHILANDER P. CLAXTON, JR., First Special Assistant to the Secretary of State for Population Matters, U.S. Department of State
- DONALD A. COLLINS, Pioneer Population Activist
- GEORGE C. DENNISTON, M.D., Seattle, WA
- EDD DOERR, Executive Director, Americans for Religious Liberty, Silver Spring, MD; President, American Humanist Association
- THE REV. W. W. FINLATOR, Former Senior Pastor, Pullen Memorial Baptist Church; Pastor, Community Church, Raleigh, NC
- WERNER FORNOS, President, The Population Institute, Washington, DC
- GARRETT HARDIN, University of California, Santa Barbara
- DR. VIVIAN HIATT-BOCK & RAY BOCK, Poulsbo, WA
- FRAN P. HOSKEN, Editor and publisher WIN NEWS (Women's International Network), Lexington, MA
- MAURICE KING, M.D., Honorary Research Fellow, The University of Leeds, England
- PRAVIN KINI, MD, Obstetrician and Gynecologist; Chief Investigator for South India; International Federation for Family Health, Bangalore
- DR. HANS KÜNG, Catholic theologian
- ROBERT KYSER, Retired Presbyterian (USA) minister; Managing Editor of The Social Contract
- LARRY LADER, Founding Chair, National Abortion &, Reproductive Rights Action League (NARAL)
- RICHARD D. LAMM, Former Governor of Colorado
- MONIQUE A. MILLER, Executive Director, Carrying Capacity Network, Washington, DC
- MARY S. MORAIN, Fellow, World Academy of Art and Science, Carmel, CA
- RIC OBERLINK, J.D., Executive Director, Californians For Population Stabilization
- WILLIAM C. PADDOCK, Agricultural Scientist, West Palm Beach, FL
- MRS. ELIZABETH POOL, Dublin, NH
- REIMERT T. RAVENHOLT, M.D., Former Director, Office of Population, USAID, Department of State
- GENE R. LA ROCQUE, Rear Admiral, USN (Ret.), President, Center for Defense Information, Washington, DC
- RUTH ROEMER, J.D., Past President, American Public Health Association
- THE REV. LAWRENCE D. RUPP, Ordained Episcopal priest; Vice-Chair, New Hampshire Citizens for a Sustainable Population
- JAMES H. SCHEUER, U.S. Congressman, 1965-1994, New York
- ELAINE STANSFIELD, Director, Save Our Earth; Former Director, Zero Population Growth of Los Angeles
- JOHN H. TANTON, M.D., Founder, The Federation for American Immigration Reform (FAIR); Editor and Publisher, The Social Contract
- ALBERT D. WARSHAUER, M.D., Population Scholar, Wrightsville Beach, NC
- EDGAR WAYBURN, M.D., Former President, Sierra Club
- MADELINE WELD, Ph.D., President, Global Population Concerns -- Ottawa
- EDWARD O. WILSON, Museum of Comparative Zoology, Harvard University
- STEPHEN BEST, Rationalist Society of St. Louis
- RICHARD BOWERS, Founder, Zero Population Growth, Inc., Director, Globally Responsible Birthing
- MILTON W. HAMOLSKY, M.D., Professor Emeritus of Medical Science, Brown University - Rhode Island Hospital, Women & Infants Hospital
- JOHN PAUL JAMES, Population Officer, USAID, 1969-1997 with tours of duty in six countries in Latin America, the Middle East and in Africa, plus three tours in Washington: the central Office of Population, the Africa Bureau, and the Europe and Newly Independent States Bureau.
- DR. MARIO JARAMILLO, M.D., Pioneer of birth control in Latin America; Founder of the first family planning clinic in Medell?n, Colombia in 1958. During the period from 1969-1992, employed by USAID population/family planning contractors, including the University of Chicago, Columbia University, John Snow and POPTECH and by several local AID missions. Consultant to UNFPA 1972-1978 and to IPPF 1974-1975.
- GEORGE L. KELLEY, Attorney and Social Activist, Wynnewood, Pennsylvania
- SUSU LEVY, President, Foundation for Optimal Planetary Survival
- JUAN LONDONO, M.D., Pioneer of family planning in Latin America. Helped establish the national program in Colombia in 1964. From then to 1993, employed by University of Chicago, Columbia University, Pathfinder Fund, and AID, served as Resident Advisor of family planning programs in El Salvador, Brazil, Colombia, and Zimbabwe. With IPPF-London, evaluated Latin America affiliated family planning associations. Consultant to UNFPA, WHO, IPPF, POPTECH, and AID
- HENRY MAYER, M.D., Medical Corporation, Redwood City, California
- ROBERT H. MENEILLY, Chairman, The Mainstream Coalition, Prairie Village, Kansas
- NORMAN MYERS, Ph.D., Consultant in Environment and Development, Fellow of Oxford University
- DAVID PIMENTEL, Ph.D., Professor, Department of Entomology, College of Agriculture and Life Sciences, Cornell University
- JOHN P. POWELSON, Professor Emeritus of Economics, University of Colorado
- REVEREND WILLIAM W. RANKIN, Ph.D., President and Dean, Episcopal Divinity School, Cambridge, Massachusetts
- ADOLPH W. SCHMIDT, U.S. Ambassador to Canada, 1969-1974, Former Director, Population Crisis Committee, Former Chairman, Population-Environment Balance
- JOHN M. SWOMLEY, President of Americans for Religious Liberty and Professor Emeritus of Theology, Kansas City
- M. BOYD WILCOX, Founder, National Optimal Population Commission
- DAVID YOUNT, Human Ecologist, Duluth, Minnesota