| Lena Alakangas | Sweden |
| Bert Allard | Sweden |
| John George Annandale | South Africa |
| Margarida Horta Antunes | Portugal |
| Carlos Felipe Aravena | Chile |
| Tim Aubel | Germany |
| Mattias Bäckström | Sweden |
| Jeff Bain | Canada |
| Selina Mary Bamforth | United Kingdom |
| Andre Banning | Germany |
| Maria Dolores Basallote | Spain |
| Sod-Erdene Bazardorj | Mongolia |
| Melanie Lise Blanchette | Australia |
| David Blowes | Canada |
| Andrey Bogomolov | Russia |
| Anna Bogush | United Kingdom |
| Rob Bowell | United Kingdom |
| Jo Burgess | South Africa |
| Manuel Antonio Caraballo Monge | Chile |
| Rosa Cidu | Italy |
| Henk Coetzee | South Africa |
| David Craw | New Zealand |
| Andy Davs | United States |
| Camilo Raul de los Hoyos | Argentina |
| Gareth Digges La Touche | United Kingdom |
| Wenfeng Du | China |
| Lee Evans | Australia |
| Marlese Fairgray | Australia |
| Nuria Fernandez Castro | Brazil |
| Rafael Fernandez-Rubio | Spain |
| Adriano Fiorucci | Italy |
| Elvis Fosso-Kankeu | South Africa |
| Silvia Cristina Alves França | Brazil |
| Rudy Sayoga Gautama | Indonesia |
| Cleber Jose Baldoni Gomes | Brazil |
| William Mario Goodman | United States |
| Jabulani Gumbo | South Africa |
| Robert S. Hedin | United States |
| Altus Huisamen | South Africa |
| Andrei Ivanets | Belarus |
| Ryan Thomas Jakubowski | United States |
| Sajjad Jannesar Malakooti | Iran |
| Adam Paul Jarvis | United Kingdom |
| Lucinda Johnson | United States |
| Raymond H. Johnson | United States |
| Andrew Clifford Johnstone | South Africa |
| David Richard Jones | Australia |
| Margarete Maria Kalin | Switzerland |
| Päivi M. Kauppila | Finland |
| Anu Kettunen | Finland |
| Elena Khayrulina | Russia |
| Lisa Bithell Kirk | United States |
| Robert Lawrence Kleinmann | United States |
| Frans Knops | Netherlands |
| Konstantinos Kollias | Greece |
| Oleg Kovin | Russia |
| Natalie A. S. Kruse | United States |
| Olga Kudryashova | Russia |
| Morten Birch Larsen | Denmark |
| Ulla Lassi | Finland |
| Anthony Le Beux | France |
| Simon Antony Lorentz | South Africa |
| Michael Losavio | United States |
| Paul Joel Lourens | South Africa |
| Mark Lund | Australia |
| Rudzani Lusunzi | South Africa |
| Tatyana Lyubimova | Russia |
| Justin Kambale Maganga | Kenya |
| Maria Mamelkina | Finland |
| Malibongwe Shadrach Manono | South Africa |
| Cherie McCullough | Australia |
| Matthew P. McGann | Peru |
| Broder Merkel | Germany |
| Thomas Metschies | Germany |
| Michael Arthur Milczarek | United States |
| Jacek Motyka | Poland |
| Kevin Myers | United States |
| Robert W. Nairn | United States |
| Carmen Mihaela Neculita | Canada |
| Darrell Kirk Nordstrom | United States |
| Damian Onwudiwe | South Africa |
| Iuliia Ozarian | Russia |
| Michael Paul | Germany |
| Steven Richard Pearce | United Kingdom |
| Tobias Merlijn Pinkse | Germany |
| Walter L. Pohl | Austria |
| James Pope | New Zealand |
| Xunchi Pu | China |
| Nada Rapantova | Czech Republic |
| Pierre Rousseau | Australia |
| Carlos Ruiz Cánovas | Spain |
| David Anthony Salmon | Australia |
| Lotta Sartz | Sweden |
| Christopher James Satterley | United Kingdom |
| Ivo André Homrich Schneider | Brazil |
| Ralph Schöpke | Germany |
| Martin Schultze | Germany |
| Robert R. Seal | United States |
| Alison Sinclair | Australia |
| Abhay Soni | India |
| Peter Clive Stanley | United Kingdom |
| Wanghua Sui | China |
| Jacek Szczepiński | Poland |
| Esther Takaluoma | Finland |
| Teresa Maria Valente | Portugal |
| Danie Vermeulen | South Africa |
| Denys Villa Gomez | Australia |
| Wolf von Igel | Chile |
| Changshen Wang | China |
| John Douglass Waterhouse | Australia |
| Anne Weber | Germany |
| Paul Weber | New Zealand |
| Jenny Webster-Brown | New Zealand |
| Holger Weiß | Germany |
| Phil Whittle | Australia |
| Christian Wolkersdorfer | South Africa |
| Peter Woods | Australia |
| Dongjing Xu | China |
| Jorge Zafra | Peru |
| Sergey Zhdanov | Russia |
as of 2020-01-16