| Bálint, Lajos | Lajos Bálint | Director | 1919 | 1 | |
| Blachs, Wilhelm | Wilhelm Blachs | Director | 1926 | 2 | |
| Blum, Wolfgang | Wolfgang Blum | Director | 1970 - 1972 | 2 | |
| Brix, Torben | Torben Brix | Director | 1928 | 1 | 1 |
| Baker, Prof. George, Pierce | Prof. George Pierce Baker | Director | 1928 | 1 | |
| Brickman, Mark | Mark Brickman | Director | 1985 | 20 | 1 |
| Bastounopoulos, Fotis | Fotis Bastounopoulos | Director | 1963 | 1 | |
| Bradić, Nebojša | Nebojša Bradić | Director | 1980 | 1 | 1 |
| Bogosavljević, Milan | Milan Bogosavljević | Director | 1982 | 1 | |
| Banov, Boil | Boil Banov | Director | 2001 | 1 | |
| Balsys, Vytautas | Vytautas Balsys | Director | 2006 | 1 | |
| Baker, James | James Baker | Director | 2007 - 2009 | 3 | |
| Bleiziffer, Michael | Michael Bleiziffer | Director | 1996 - 2009 | 4 | 1 |
| Bruinier, Bettina | Bettina Bruinier | Director | 2008 - 2010 | 2 | 1 |
| Bunk, Lydia | Lydia Bunk | Director | 2009 - 2013 | 2 | |
| Benecke, Patricia | Patricia Benecke | Director | 1997 - 2012 | 2 | |
| Beyer, Bud | Bud Beyer | Director | 1984 | 1 | |
| Banham, Russ | Russ Banham | Director | 2013 | 1 | 1 |
| Berdal, Christoffer | Christoffer Berdal | Director | 2009 | 1 | 1 |
| Ballek, Rastislav | Rastislav Ballek | Director | 2013 - 2021 | 4 | |
| Brüesch, Barbara-David | Barbara-David Brüesch | Director | 2014 | 3 | |
| Boesen, Tobias, Gundorff | Tobias Gundorff Boesen | Director | 2013 | 1 | |
| Bosse, Jürgen | Jürgen Bosse | Director | 1985 | 1 | |
| Blakely, Don | Don Blakely | Director | 1970 | 1 | |
| Browne, Stuart | Stuart Browne | Director | 1985 | 1 | |
| Benning, Achim | Achim Benning | Director | 1985 - 1990 | 2 | 1 |
| Biering, Tue | Tue Biering | Director | 2014 - 2016 | 7 | |
| Boyd, Michael | Michael Boyd | Director | 1987 | 1 | |
| Brady, Terry | Terry Brady | Director | 1987 | 1 | |
| Beddie, Melanie | Melanie Beddie | Director | 2007 | 1 | |
| Blaes, Berthold | Berthold Blaes | Director | 1984 | 3 | |
| Brookman, Geordie | Geordie Brookman | Director | 2008 - 2017 | 3 | |
| Beh, Michealh | Michael Beh | Director | 1997 | 1 | |
| Buchhammer, Kitty | Kitty Buchhammer | Director | 1987 | 1 | |
| Barillà, Mario | Mario Barillà | Director | 1987 - 1990 | 2 | |
| Bilska, Joanna | Joanna Bilska | Director | 1989 | 36 | |
| Billinghurst, Rick | Rick Billinghurst | Director | 1988 | 1 | |
| Braches, Ernst | Ernst Braches | Director | 1991 - 1995 | 2 | 1 |
| Bremer, Friedrich | Friedrich Bremer | Director | 1991 - 1999 | 2 | |
| Brunius, Palle | Palle Brunius | Director | 1956 | 1 | |
| Bolchi, Sandro | Sandro Bolchi | Director | 1956 - 1971 | 3 | |
| Borgmann, Norbert, Kleine | Norbert Kleine Borgmann | Director | 1992 - 1998 | 2 | |
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