United States

• Albert K. Bender
• Jerome Clark (UFO historian)
• Richard Dolan (UFO historian)
• Stanton Friedman (Nuclear engineer)
• Steven M. Greer
• Dr.James Harder (Professor of Engineering, University of California at Berkeley)
• Paul R. Hill (deceased) (Pioneering NACA/NASA research engineer)
• Linda Moulton Howe
• Dr. J. Allen Hynek (deceased) (Astronomer, consultant to USAF Project Blue Book
• John Keel
• Donald Keyhoe (deceased) (Aviator, headed NICAP)
• Philip J. Klass (deceased) (Aviation writer, UFO debunker)
• Richard Hall
• Dr. Bruce Maccabee (Optical physicist)
• James McCampbell (NASA and nuclear engineer)
• Dr. James E. McDonald (deceased) (Atmospheric physicist, University of Arizona)
• Dr. Donald Menzel (deceased) (Astronomer, UFO debunker)
• Dr. Kevin Randle
• Edward J. Ruppelt(deceased) (headed USAF Project Blue Book)
• Dr. Harley D. Rutledge (Solid state physicist, Southeast Missouri State University)
• Dr. Peter A. Sturrock (Astrophysicist, Stanford University)
• Dr. Michael D. Swords
• Dr. Jacques F. Vallee

Australia

• Anderson, John.M. (VUFORS)(PRA)
• Auchettl, John W. (PRA) active
• Basterfield, Keith (UFORA) active
• Biddington, Group Captain Brett,(RAAF) active
• Boyle, Brian (PRA)
• Clifford, Dr. W.P. (UFOIC)
• Chalker, Bill (UFOIC) active
• Douglass, Keith (UFORAS) (AUFORN) active
• Deller, Gordon (AFSIC) (APRV) (PRV)
• Frola, Robert (AUFORN) active
• Geroge, Simpson
  
  
  
  (VUFORS)(AUFORN Vic) active
• Griesberg, Harry (ACUFOS)
• Godic, Vladimir & Pony (UFORA)
• Gottschall, Dr Martin & Sheryl (ACUFOS)(UFORQld) active
• Harrison, Diane (TKBN)(AUFORN) active
• Jarrold, Edger. R. (AFSB)
• Jones, Air Marshal Sir George (RAAF)(CAPIO)
• Lindtner, Dr. Miran (UFOIC)(CSIRO)
• Magee, Judith (VUFORS) active
• Mackay, Glennys (MUFON)(UFOR NetworkQld) active
• McGhee, Moira (INUFOR)(UFORNSW) active
• Middleborough, Charles (QFSRB)
• Moravec, Mark L. (ACUFOS)(ARC) active
• Moser, William (UFOIC)
• Paul Norman (VUFORS)(MUFON) active
• Norris, Colin O. (AIUFOFSR) active
• Norris, Peter E. (AFSRS Vic)(VFSRS)(CAPIO)(VUFORS)
• Pinkney, John (AFSRS Vic)(VFSRS)
• Roberts, Keith (TUFOIC) active
• Rodwell, Mary (ACERN) active
• Russell, Roy & Pearl (QFSRB)
• Seargent, David (ACUFOS)
• Seers, Jack (AMPR)(AFSIC)(APRV)(PRV)(PRA)
• Seers, Stanley(Stan)(QFSRB)
• Sloane, W. Howard (Ballarat Astronomical Society)
• Stone, Fred (AFSRS)
• Sutton, Sylvia (AFSRS Vic)(VFSRS)(CAPIO)
• Tomas, Andrew P. (AFSB)(AFSRS NSW)(UFOIC)
• Yates, Clive (AFSRS Vic)(VFSRS)(VUFORS)(MUFON) active

Brazil

• Ademar J. Gevaerd
• Cláudio Tsuyoshi Suenaga
• Jeferson Martinho
• Paulo Anibal G. Mesquita
• Marco Antônio Petit

England

• Timothy Good
• Jenny Randles

Mexico

• Jaime Maussan

Other non-U.S.

• Dr. Carl Jung
• Alfredo Lissoni
• Michele Bugliaro Goggia
• Dr. Michael Persinger
• Wang Sichao
• Nigel Watson