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Name
Active
Presentations
Matt Ridley
2020-2021
3
John Ridpath
1960-2010
42
Raúl Rivera
2021
1
Brittney F. Rivera
2014-2015
3
Neil Roeth
2017
1
Cynthia Roeth
2015-2019
2
Steven Rogers
1990-1995
4
Ricardo M. Rojas
2019-2020
2
Andrea Rondón
2020-2021
2
Flemming Rose
2006-2020
6