As now constituted, the Committee of Concerned Scientists enjoys the leadership of 11 Executive Committee members (co-chairs and vice-chairs), 29 National Sponsors, and an Advisory Board of scientists, physicians, engineers, and scholars.

Co-chairs

Joel L. Lebowitz, Rutgers University

Paul H. Plotz, National Institutes of Health

Walter Reich, George Washington University

Vice-chairs

Astronomy - Arno Penzias, Lucent Technologies

Biology - Max E. Gottesman, Columbia University

Chemistry -  Zafra Lerman, Columbia College of Chicago

Computer Science - Jack Minker, University of Maryland, College Park

Engineering - Philip Sarachik, Polytechnic Institute of New York University

Mathematics - Simon Levin, Princeton University

Medical Sciences - J. Joseph Blum, Duke University

Physics - Joseph Birman, City College of New York

Past Co-chairs

Robert S. Adelstein, National Institutes of Health

Jack Cohen, Tel Aviv University

Biology - Max E. Gottesman, Columbia University

Mark Kac (deceased), University of Southern California

Peter S. Pershan, Harvard University

Fred Pollak (deceased), Brooklyn College

Melvin Pomerantz, Lawrence Berkeley Laboratory

H. Eugene Stanley, Boston University

National Sponsors

David Baltimore, California Institute of Technology*

Alan J. Bard, University of Texas

Jacob Bigeleisen, SUNY, Stony Broo

Raoul Bott (deceased), Harvard University

Owen Chamberlain (deceased), University of California, Berkeley

Thomas Eisner, Cornell University

Fang Li Zhi, University of Arizona

Edward Gerjuoy, University of Pittsburg

Pierre Hohenberg, New York University

Kurt Isselbacher, Massachusetts General Hospital

Jerome Karle, U.S. Naval Research Laboratory*

Walter Kohn, University of California, Santa Barbara*

James Langer, University of California, Santa Barbara

Benjamin Lax, Massachusetts Institute of Technology

Peter Lax, New York University

Louis Nirenberg, New York University

Marshall Nirenberg, National Institutes of Health*

John C. Polanyi, University of Toronto

Stuart Rice, University of Chicago

Myriam Sarachik, City College of New York

Harold Scheraga, Cornell University

Sylvan Schweber, Brandeis University

Andrew Sessler, Lawrence Berkeley Laboratory

Lawrence Shepp, Rutgers University

Maxine Singer, Carnegie Institution of Washingto

Charles Townes, University of California, Berkeley*

Steven Weinberg, University of Texas, Austin*

Myrna Weissman, Columbia University

Rosalyn S. Yalow, Mount Sinai School of Medicin

Advisory Board Members

Bruce Alberts, University of California, San Francisco

Joan Birman, Columbia University

Marvin Bishop, Manhattan College

Sidney Bludman, Universidad de Chile

Eugene Chudnovsky, Lehman College

Herman Cummins, City College of New York

Stanley Deser, Brandeis University

Richard Ebright, Rutgers University

Xin-Yuan Fang, Indiana University

Alexander Greer, Brooklyn College

Bertrand Halperin, Harvard University

Julian Heicklen, Penn State University

Richard Herman, University of Illinois at Urbana-Champaign

Peter Hotez, George Washington University

Walter Neumann, Columbia University

Charles Newman, New York University

Alan Nixon, Past President, American Chemical Society

Peter Pershan, Harvard University

Murray Peshkin, Argonne National Laboratory

Thomas J. Plotz, Pillsbury Law

Melvin Pomerantz, Lawrence Berkeley National Laboratory

Gerald Porter, Yale University

Elisabeth Rachlew, Royal Institute of Technology (KTH)

Anthony Ralston, SUNY Buffalo

Sidney Simon, Duke University

Thomas Spiro, University of Washington

Ralph G. Steinhardt, George Washington University

Edward Stern, University of Washington

Svetlana Stone Wachtell

Betty Tsang, Michigan State University

Norman Zabusky, Rutgers University

Executive Director

Sophie Cook

Past Executive Director

Dorothy Hirsch, Emerita

Affiliation for identification purposes only * Nobel laureate