Linda Abraham-Silver

CEO, Great Lakes Science Center

Geoffrey David Adamson

President, American Society For Reproductive Medicine

Richard Anthes

President, American Meteorological Society; President, University Corporation for Atmospheric Research

Hayk Arakelyan

President, International Association of Integrative Medicine and Laser Therapy

Eugene Arthurs

CEO, Society for Optics and Photonics (SPIE)

Jennifer Ayers

Executive Director, American Institute For Medical And Biological Engineering

Roger Beachy

President & Director, Donald Danforth Plant Science Center 

William Becker

Executive Director, Presidential Climate Action Project

Edward Bernstein

President, Industrial Research Institute

Frederick Bernthal

President, Universities Research Association, Inc.

Roger Bingham

Director, The Science Network

James Bond

President, NE Los Angeles Gateway Chamber of Commerce

David Bressoud

President-elect, Mathematical Association Of America

William Bro

CEO, Kidney Cancer Association

Jeanette Brown

Chair, Great Lakes Science Center; Past Chair, U.S. National Comm. for IUPAC

William Brown

President & CEO, Academy of Natural Sciences

August Brunsman IV

Executive Director, Secular Student Alliance

Robert Bryant

Director, Mathematical Sciences Research Institute

Brett Burk

Executive Director, Society for Integrative and Comparative Biology

Burke Burnett

Executive Secretary, Pacific Science Association

Bruce Bursten

President, American Chemical Society; Dean, College of Arts and Sciences, University of Tennessee–Knoxville

James Calhoun

Cofounder, PDXThink

Jacqueline Calnan

President, Americans For Medical Progress

Cathleen Campbell

President & CEO, Civilian Research and Development Foundation

Christina Chambers

President, Teratology Society

Jennifer Chayes

Managing Director, Microsoft Research New England

Ralph Cicerone

President, National Academy of Sciences

Dan Combs

Director, National Emergency Preparedness Coordinating Council

Tonia Compton

President & CEO, National Association Of Graduate-Professional Students

Brian Conrey

Executive Director, American Institute of Mathematics

Richard Conti

CEO, Science Museum of Virginia

Michael Corbin

Director, everyminute.org

Alexander Dale

President, Engineers For A Sustainable World

Robert Day

Executive Director, Renewable Natural Resources Foundation

Michael De Dora

Director, Office Of Public Policy, Center for Inquiry

Calvin DeWitt

President, Academy of Evangelical Scientists and Ethicists; Chair, Advisory Council, Evangelical Campaign to Combat Global Warming and Climate Change; Professor, Nelson Institute for Environmental Studies at UW-Madison

Jerry Draayer

President & CEO, Southeastern Universities Research Association

Pamela Drexel

Executive Director, The Brain Trauma Foundation

Timothy Early

President & CEO, Hampton Roads Technology Council

Joseph Ecker

President, International Society for Plant Molecular Biology; Director, The Salk Institute Genomic Analysis Laboratory

Mark Emmert

President, NCAA

Brian Engler

Executive Vice President, Military Operations Research Society

Joseph Falke

President, Biophysical Society; Director, Molecular Biophysics Program, University of Colorado

Francis Fennell

President, National Council of Teachers of Mathematics; Professor of Education, McDaniel College

Henry Ferguson

Science Division Head, Space Telescope Science Institute

Harvey Fineberg

President, Institute of Medicine

Katherine Forrest

President, Commonweal Institute

Paul Fowler

Research Director, National Council For Advanced Manufacturing

Martin Frank

Executive Director, American Physiological Society

Wendy Freedman

Director, The Observatories of the Carnegie Institution of Washington

Mynga Futrell

Executive Director, The Brights' Network

Ellen Futter

President, American Museum Of Natural History

Joseph Gallian

President, Mathematical Association of America

William Gardner

Executive Director, American Registry Of Pathology

James Gentile

President, Research Corporation

Steven Gilbert

Director and Founder of the Institute of Neurotoxicology and Neurological Disorders (INND)

Brain Glanz

Director, Open Science Federation

James Glimm

President, American Mathematical Society; National Medal of Science, 2003

Kurt Gottfried

Chair & cofounder, Union of Concerned Scientists; Professor Emeritus of Physics, Cornell University

Nancy Granese

Executive Director, Campaign For Medical Research

Michael Gray

President, Entomological Society Of America

James Greenwood

President & CEO, Biotechnology Industry Organization

Philip Hammer

Associate Vice President, Physics Resources, American Institute of Physics

Wier Harman

Executive Director, Town Hall Seattle

Howard Harper

Executive Director, Society For Sedimentary Geology

Nancy Hensel

Executive Officer, Council On Undergraduate Research

Barbara Hickernell

Director, Engineering Conferences International

Kathryn Hinsch

Founding Director and Board President, Women’s Bioethics Project

Leaetta Hough

President, Federation of Behavioral, Psychological, and Cognitive Sciences; Past President, Society for Industrial and Organizational Psychology

Betsy Houston

Executive Director, Federation Of Materials Societies

Marilyn Hoyt

President & CEO, New York Hall Of Science

Alan Hurd

President Emeritus, Materials Research Society

Walter Isaacson

President & CEO, Aspen Institute; Author of Einstein: His Life and Universe

Evelyn Jabri

CEO, the RNA Society

Madeleine Jacobs

Executive Director, American Chemical Society

Deborah Jensen

CEO, Woodland Park Zoo; President Emerita, Society for Consevation Biology

James Jensen

Executive Director, Government Affairs, National Academy of Sciences

Sonchia Jilek

Executive Director, Pinhead Institute

Eric Jolly

President, Science Museum of Minnesota

Woody Kaplan

Founder and Chair, Civil Liberties List; President, First Amendment Foundation; CEO, The Kaplan Group

Jeffrey Kargel

Leader of Global Land Ice Measurements from Space, a 29-nation glacier remote sensing consortium 

Russel Kaufman

President & CEO, The Wistar Institute

Dale Keairns

President, American Institute of Chemical Engineers

Henry Kelly

President, Federation of American Scientists

Cathy Kessel

President, Association for Women in Mathematics

Kevin Knobloch

President, Union of Concerned Scientists

Alan Kraut

Executive Director, Association For Psychological Science

Paul Kurtz

Chairman, Center for Inquiry; Emeritus Professor of Philosophy, State University of New York at Buffalo

Phoebe Leboy

President, Association For Women In Science

Russell Lefevre

2008 President, IEEE-USA, Institute of Electrical and Electronics Engineers

Alan Leshner

CEO, American Association for the Advancement of Science; Executive Publisher, Science

Jen Levy

Executive Director, Association of Nature Center Administrators

Nadine Lomakin

Executive Director, Life Science Career Alliance

Zack Lynch

Executive Director, Neurotechnology Industry Organization

Eve Marder

President, Society For Neuroscience

Gordon Maupin

Executive Director, The Wilderness Center

Michael McCally

Executive Director, Physicians For Social Responsibility; Co-Director of the Center for Children’s Health and the Environment, Mount Sinai School of Medicine

James McCarthy

President-elect, American Association for the Advancement of Science; Alexander Agassiz Professor of Biological Oceanography, Harvard University

James McClelland

President-elect, Federation of Behavioral, Psychological, & Cognitive Sciences; Professor of Psychology, Stanford University

Robertson McClung

President, American Society of Plant Biologists

Richard Meserve

President, The Carnegie Institution of Washington; Former Chairman, U.S. Nuclear Regulatory Commission (NRC)

Monica Metzler

President, Illinois Science Council

Ioannis Miaoulis

President and Director, Museum Of Science

Michael McCally

Executive Director, Physicians For Social Responsibility

Katherine McCarter

Executive Director, Ecological Society Of America

Jonathan Meade

Executive Director, Highlands Coalition

Cleve Moler

President, Society for Industrial and Applied Mathematics

Jan Morrison

Executive Director, Ties Teaching Institute For Excellence In STEM

Richard Moss

Vice President for Climate Change, World Wildlife Fund (WWF); member, Intergovernmental Panel on Climate Change (IPCC)

Carol Muller

Founder, MentorNet, the E-Mentoring Network for Diversity in Engineering and Science

Thomas Murray

President & CEO, The Hastings Center

Jeanne Narum

Director, The Independent Colleges Office; Founder of Project Kaleidoscope

Richard Norgaard

Co-founder & President Emeritus, International Society for Ecological Economics; Professor Of Energy And Resources, University of California, Berkeley

Bill Nye

Bill Nye The Science Guy; Vice President, The Planetary Society; Frank H. T. Rhodes Professor, Cornell University; Union of Concerned Scientists National Advisory Board

Timothy O'Donnell

Chair, The National Debate Tournament

Richard O'Grady

Executive Director, American Institute Of Biological Sciences

Beth Parke

Executive Director, Society Of Environmental Journalists

John Parrish

Executive Director, Center For Integration Of Medicine And Innovative Technology

John Pearse

President, Society for Integrative and Comparative Biology; Past President, California Academy of Sciences

Thomas Pierson

CEO, SETI Institute

James Porter

President, Sigma Xi, The Scientific Research Society

Victor Rabinowitch

Senior Vice President emeritus, John D and Catherine T MacArthur Foundation

Leonard Raley

President & CEO, University System Of Maryland Foundation

Carter Roberts

President & CEO, World Wildlife Fund (WWF)

Pablo Rodriguez

Board Chair, Association of Reproductive Health Professionals (ARHP)

Philip Rubin

CEO, Haskins Laboratories

Jim Rutt

Vice Chair, Board of Trustees, Santa Fe Institute

Jean Sachs

Executive Director, Living Beyond Breast Cancer

William Schlesinger

President, Cary Institute Of Ecosystem Studies; Past President, Ecological Society of America

Eugenie Scott

Executive Director, National Center for Science Education

John Seager

President & CEO, Population Connection

Michael Seiden

President & CEO, Fox Chase Cancer Center

Wayne Shields

President & CEO, Association of Reproductive Health Professionals (ARHP)

Bernard Siegel

Executive Director, Genetics Policy Institute

Mike Simmons

Chairman of the Board, Aspen Science Center

Maxine Singer

President Emerita, Carnegie Institution of Washington; National Medal of Science, 1992; Public Welfare Medal of the National Academy of Sciences, 2007

Jack Solomon

Chairman, Chemical Industry Vision2020 Technology Partnership,  an industry-led collaborative process to accelerate innovation and technology development in the chemical industry

Susan Solomon

CEO, New York Stem Cell Foundation

Roy Speckhardt

Executive Director, American Humanist Association

Will Steger

President, Will Steger Foundation; Polar Explorer and developer of the Global Warming 101 Initiative

Bruce Stillman

President, Cold Spring Harbor Laboratory

Lesley Stone

Executive Director, Scientists and Engineers for America

Tina Straley

Executive Director, Mathematical Association Of America

Mark Sykes

Director, Planetary Science Institute

Stephen Tang

President & CEO, University City Science Center

Rebecca Taylor

Senior Vice President, The National Center For Manfuacturing Sciences

Scott Tinker

President, American Association of Petroleum Geologists; Director and State Geologist, Bureau Of Economic Geology, Univeristy Of Texas; Past President, Association of American State Geologists

Toufic Hakim

Executive Officer, American Association of Physics Teachers

Bonnie Vandorn

Executive Director, Association Of Science-Technology Centers

J. Craig Venter

President, J. Craig Venter Institute; Chair and founder, The Institute for Genomic Research; Time 100 list of the 100 most influential people of 2007; mapper of the human genome

Charles Vest

President, National Academy of Engineering

Regina Vidaver

Executive Director, National Lung Cancer Partnership

Cynthia Volkert

President, Materials Research Society

Thomas Wallsten

President Emeritus, Federation of Behavioral, Psychological, & Cognitive Sciences; Professor and Chair in the Department of Psychology, University of Maryland

Barbara Wanchisen

Executive Director, Federation of Behavioral, Psychological, & Cognitive Sciences

Kevin Ward

Executive Director, Aspen Science Center

Ronald Wasserstein

Executive Director, American Statistical Association

Geoffrey West

President, Santa Fe Institute, Time 100 list of the 100 most influential people of 2006

Rosanne White

Executive Director, Technology Student Association (TSA)

Jonathan Wiener

President, Society for Risk Analysis; Perkins Professor of Law & Environmental Policy, Duke University

Harman Wier

Executive Director, Town Hall Seattle

Ronnie Wilkins

Executive Director, American College Of Neuropsychopharmacology

Deborah Wince-Smith

President, Council on Competitiveness

Dennis Wint

President & CEO, The Franklin Institute Science Museum

Mary Ann Wolf

Executive Director, State Educational Technology Directors Association

David Woodland

President & Director, Trudeau Institute

Andrew Wyrobek

President, Environmental Mutagen Society

Leann Yoder

Executive Director, Junior Engineering Technology Society

Lorelle Young

President, U.S. Metric Association

Robert Yu

President, American Society Of Neurochemistry; Professor And Director, Medical College Of Georgia

Sam Zamrik

President, American Society Of Mechanical Engineers (ASME)

Alexander Zwissler

Executive Director/CEO, Chabot Space and Science Center