| Almquist, Frederick Ghent, Belgium |
| Amis, Andrew London, England |
| Andrish, Jack Cleveland, OH |
| Arendt, Elizabeth Minneapolis, MN |
| Bellier, Guy Paris, France |
| Biedert, Roland Biel, Switzerland |
| Buuck, David Hillsboro, OR |
| Cautilli, Richard Philadelphia, PA |
| Cox, Jay Depoe Bay, OR |
| Davidson, Phil Pinellas Park , FL |
| Dejour, David Lyon France |
| Donell, Simon Norwich, UK |
| Dr. Jacques Vallotton Lausanne |
| Dye, Scott San Francisco, CA |
| Erasmus, Pieter “Spike” Stellenbosch South Africa |
| Farr, Jack Indianapolis, Indiana |
| Fithian, Donald San Diego, California |
| Fredericson, Michael Stanford, Cal |
| Friederich, Niklaus Bruderholz, Switzerland |
| Fulkerson, John P Farmington, CT |
| Grelsamer, Ronald New York, NY |
| Guier, Christian Jackson Hole, Wyoming |
| Halbrecht, Jeffrey San Francisco, CA |
| Hart, John Melbourne 3004 VIC Australia |
| Hoekman, Ronald Grand Rapids, Michigan |
| Inoue, Motoyasu Isehara, JAPAN |
| Koh, Jason Chicago, IL |
| Leadbetter, Wayne Rockville, MD |
| Marshall, David Adelaide, South Australia |
| Mayr, Hermann Otto Munich,Germany |
| McConnell, Jenny Syndey, Australia |
| Merchant, Alan Mountain View, California |
| Minkoff, Jeffrey. Boca Raton, FL |
| Muench, Ernst-Otto Muenchen, Germany |
| Müller, Werner Riehen Switzerland |
| Neyret, Philippe Noel (Lyon) France |
| Nomura, Eiki Kanagawa Pref.,Japan |
| Panni, Alfredo Schiavone Rome Italy |
| Post, Bill Morgantown, West Virginia |
| Powers, Chris Los Angeles, CA |
| Prada, Carlos Medellin,Colombia |
| Sanchis-Alfonso, Vincente Valencia, Spain |
| Schepsis, Anthony A Boston, MA |
| Servien, Elvire Lyon, France |
| Simon Donell Norwich, England |
| Stäubli, Hans Ulrich Bern Switzerland |
| Teitge, Robert Warren, Michigan |
| Thomson, Neal Sydney NSW Australia |
| Torga-Spak, Roger Argentina |
| Van Overschelde, Jaques ERPE Belgium |
| Wintonski, Darjusz Loda, Poland |
| ©1998-2009 International Patellofemoral Study Group |