Committee for Skeptical Inquiry (CSI) -- formerly known as CSICOP -- (publishers of Skeptical Inquirer magazine) (Scientific Consultant 1992 to present; Member of UFO Subcommittee)
The Scientific Review of Alternative Medicine and Aberrant Medical Practices (Contributing Editor 1997 to present)
The Commission for Scientific Medicine and Mental Health (Fellow 2003 to present)
American College of Physicians (Member 1984 to present)
American Council on Science and Health (Scientific Advisor 1997 to present)
Faith-healing Investigation Project, Committee for the Scientific Examination of Religion (CSER) (sponsored by the Council for Secular Humanism and Free Inquiry magazine) (Member 1986-90)
Mensa (Member since 1982; Founder and National Coordinator of a "Skeptic" Service 1987 to present) (Read my Mensa essays)
Tampa Bay Skeptics (Founder and Executive Director; Editor of
Tampa Bay Skeptics Report
1988 to present)
Committee for Skeptical
Inquiry
The Scientific Review of Alternative Medicine
and Aberrant Medical Practices
The Commission for Scientific Medicine
and Mental Health
American College of
Physicians
American Council on Science
and Health
Mensa