Positions, Offices, Memberships, etc. (since 1977)
1977 Board of Directors, Canadian Assoc. of Physicists
1981-83, 89- Member (Life), American Physical Society
1983 APS Forum on Physics and Society Awards Cmte.
1985-87 Yale University Course of Study Committee
1987 Convenor, Lewes Center Summer Meeting on Cryogenic Detection Neutrinos and Dark Matter
1988-91 Sigma Xi-Committee on Lectureships
1988- Co-organizer, Yale Workshop on Cosmic Strings
1988 Convenor- Cosmology and Astrophysics, APS Particles and Fields Conference 1988
1989 Program Committee, International Conference on Particles and Nuclei
1989 Co-organizer, Yale Workshop on the Cosmic Microwave Background
1989 Member, Panel on Particles of the Astronomy and Astrophysics Survey Committee
1992 Co-organizer, Texas Meeting on Baryon NumberViolation at the Weak Scale.
1992 Director,Association of Yale Alumni Program: The Legacy of Newton
1992 Co-organizer, Aspen Workshop on Gravitational Lensing in Cosmology.
1992 Organizing committee, Colliding Beam Conference, Yale University Oct 2-3 1992
1992- Program Committee Member, Moriond meetings on Electroweak Interactions,
1993 Organizer,Case Meeting on New Physics at New Facilities,Oct 15-17 1993
1994 Organizer,CWRU Workshop: CMB Two Years after COBE, April 22-24, 1994
1994- Executive Committee, Board of Trustees, Friends, Cleveland School for the Arts
1995 Organizer, Aspen Center for Physics Workshop on Big Bang Nucleosynthesis
1995 Member Exhibits Committee, Great Lakes Science Center Board of Trustees
1995- Member, American Astronomical Society
1995-1998 Member, Faculty Senate of Case Western Reserve University
1995- Board of Trustees, Great Lakes Science Center
1995-1997 Organizing Committee, International Conference on Sources and Detection of Dark Matter
1995- Member, New York Academy of Sciences
1995- Member, American Association for the Advancement of Science
1997 Organizing Committee, Early Universe Physics, England 1997
1997-2000 Executive Committee , Division of Astrophysics, American Physical Society
1997-98 InfoWorld Futures Project Advisory Board
1997- Odyssey Magazine, Advisory Board
1997- Review Panel, M.I.T. Curriculum on Science and Communication
1998 Organizing Committee, Sheffield International Workshop on Dark Matter Detection
1997-98 Search Committee, Vice-President for Research, Case Western Reserve University.
1998- General Member, Board, Aspen Center for Physics
1998-2000 Editor, Modern Physics Letter A
1998-2000 Editor, Int. Journal of Modern Physics
1998- Chair, Exhibits Committee, Great Lakes Science Center Board of Trustees
1998- Executive Commitee , Great Lakes Science Center Board of Trustees
1999- Organizing Committee, International Conference on Sources and Detection of Dark Matter
1999 Co-Organizer, Aspen Workshop on the Cosmological Constant
1999- Fellow, American Physical Society.
1999-2000 Organizing Committee, DPF 2000 meeting
1999-2000 Co-Organizer, Aspen Workshop on Dark Matter.
2000-2001 CWRU, University Stakeholders Committee
2000-2002 American Physical Society,Panel on Public Affairs.
2000 International Advisory Committee, International Conference on Dark Matter Detection.
2001 Advisory Committee, Physics Potential of Supernova Neutrino Detection Meeting, UCLA Feb 2001
2001- Board of Advisors, The Skeptics Society
2001 Convenor, Frontiers of Physics Meeting, Vanderbilt Tenn, March 2001
2001 Chair, Pagels Lecture Committee, Aspen Center for Physics.
2002 International Advisory Committee, International Conference on Dark Matter Detection.
2002 Board of Directors, Ohio Citizens for Science
2002 Member, HEPAP Public Outreach Panel
2002- Trustee, Board of Trustees, Cleveland Museum of Natural History
2002 Chair, President’s Commission on Graduate Education and Research, CWRU
2002- Fellow, Committee for the Scientific Investigation of Claims of the Paranormal
2002 Coordinator, Teachers Conference on Cosmology, Institute of Theoretical Physics, Santa Barbara
2003-2006 Gemant Award Committee, AIP.
2003- Board of Advisors, and Guidance Committee, Science Fiction Experience, Seattle Washington
2003 Grand Judging Co-Chair, Physics, Intel Science and Engineering International Science Fair
2003 Aspen Center for Physics Colloquium Chair.
2003 Scientific Advisory Committee, SciPart’03
2003 Lilienfeld Prize Committee, APS
2003- Board of Directors, TalkingScience
2003- Board of Directors, Faststart LLC
2003- Board of Directors, Faststart Foundation
2002 Gemant Prize Committee, AIP
2004- Commentator, American Public Media’s Marketplace
2004-5 Scientific Program Planning Committee, West Quad, Case Western Reserve University Medical School
2004- ACLU Board of Trustees, Cleveland
2004-5 Chair, Advisory Committee on Research Computing, Information Technology Services, CWRU
2004-5 Strategic Planning Review Coordinator, Department of Chemistry, CWRU.
2004 Aspen Institute, Executive Seminar
2004 NSF Physics Education Grant Review Panelist
2004-5 Aspen Center for Physics, Public Lecture Committee
2005 Jury Member, Sundance Film Festival
2005 Elected, Chair-Elect, APS Forum on Physics and Society
2005- Board of Advisors, Defcon(Defense of the Constitution).org
2005 APS Burton and Szilard Award Committee
2005- Commentator, NPR’s All Things Considered
2006- Chair-Elect, Physics Division, American Association for the Advancement of Science
2006 International Advisory Board, International Colloquium on Group Theoretical Methods in Physics
2006- Chair, Advisory Board, Help Ohio Public Schools
2006- Board of Sponsors, Bulletin of the Atomic Scientists
2006- National Advisory Board, Office of Public Policy, Center for Inquiry
2006- National Advisory Board, Scientists and Engineers for America
2007- NASA Primordial Polarization Program Definition Team
2007- Scientific Organizing Committee, International Astronomical Union Symposium, Astronomy and Society.
2007 Scientific Organizing Committee, Texas Symposium on Relativistic Astrophysics.
2007- Steering Committee, Science Debate 2008.
2008 Science Advisory Committee, Barack Obama Presidential Campaign
2009- Panel on Public Affairs, American Physical Society
2009- Chair, Board of Sponsors, Bulletin of the Atomic Scientists.
2009 Advisory Board, Dark Matter International Workshop
2009-2018 Chair, Board of Directors, Science Friday Foundation.
2010-2015 Board of Directors, Federation of American Scientist
2011 International Advisory Committee, Identification of Dark Matter Conference
2011 Honorary Board Member, Board of Directors, Center for Inquiry
2012-2018 Board of Directors Center for Inquiry
2012 Physics Editorial Board for the College Access Project
2012 Forum on Physics & Society Executive Committee
2013 Chair, Board of Governors, Australia-New Zealand Institute of Theoretical Physics
2013 Member, International Academy of Humanists
2015-2018 Chair, Board of Sponsors, Bulletin of the Atomic Scientists
2015 Board of Experts, Federation of American Scientists
2016 Honorary Board Member, Freedom from Religion Foundation
2016 Advisory Committee, Breakthrough Starshot