| Name | Institution | Year | Newsletter Announcement |
| Gabriel Filippelli | Indiana University - USA | 2025 | Summer, 2025 |
| Martine M. Savard | Geological Survey of Canada - CANADA |
2022 |
Number 76, July 2022 |
| François Chabaux | Université de Strasbourg - FRANCE | 2019 | Number 69, November 2018 |
| W. Berry Lyons | The Ohio State University - USA | 2013 | Number 57, November 2012 |
| Kirk Nordstrom | US Geological Survey - USA | 2009 | Number 50, May 2009 |
| Balz Kamber | Laurentian University - CANADA | 2006 | Number 46, May 2007 |
| Mike Edmunds | Oxford University - UK | 2006 | Number 46, May 2007 |
| S. Moorbath | Oxford University - UK | 2004 | Number 40, April 2004 |
| Blair Jones | US Geological Survey - USA | 2002 | Number 37, March 2002 |
| Umberto Cordani | University of Sao Paulo - BRAZIL | 2000 | Number 34, November 2000 |
| Denis M. Shaw | McMaster University - CANADA | 1998 | Number 31, July 1998 |
| Akimasa Masuda | U of Electro-Communications - JAPAN | 1996 | Number 29, November 1996 |
| Hans Wedepohl | Gottingen University - GERMANY | 1994 | Number 27, November 1994 |
| A A Levinson | University of Calgary - CANADA | 1992 | Number 25, September 1992 |
| A E Ringwood | 1987 | Number 19 - December, 1986 |
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