| Martin, Sylvia | Sylvia Martin | Dramaturg | 2012 | 1 | |
| Metzger, Nicole | Nicole Metzger | Dramaturg | 2012 | 1 | |
| Marzocchi, Franco | Franco Marzocchi | Dramaturg | 1959 | 4 | |
| Marquardt, Sylvia | Sylvia Marquardt | Dramaturg | 1999 | 1 | |
| Mader, Travis | Travis Mader | Dramaturg | 1999 | 1 | |
| McCoy, Philip | Philip McCoy | Dramaturg | 1970 | 1 | |
| Machnik, Gerhard | Gerhard Machnik | Dramaturg | 1976 | 1 | |
| Maločevskaja, Irina | Irina Maločevskaja | Dramaturg | 2014 - 2018 | 2 | 1 |
| Mălău, Ioana | Ioana Mălău | Dramaturg | 2017 - 2019 | 9 | |
| Moradi, Kiumars | Kiumars Moradi | Dramaturg | 2017 | 1 | |
| Marquardt, Winfried | Winfried Marquardt | Dramaturg | 1993 | 1 | |
| Mulvad, Ninette | Ninette Mulvad | Dramaturg | 2018 | 39 | |
| Morcsányi, Géza | Géza Morcsányi | Dramaturg | 2018 | 1 | |
| Majcen, Urša | Urša Majcen | Dramaturg | 2019 | 1 | |
| Martinac, Lada | Lada Martinac | Dramaturg | 1990 | 1 | |
| Moe, Aslak | Aslak Moe | Dramaturg | 2020 | 5 | |
| Menamkat, Nalini | Nalini Menamkat | Dramaturg | 2010 - 2011 | 3 | |
| Meister, Susanne | Susanne Meister | Dramaturg | 2021 | 1 | |
| Melchinger, Gwendolyne | Gwendolyne Melchinger | Dramaturg | 2022 | 1 | |
| Mungiguerra, Piera | Piera Mungiguerra | Dramaturg | 2022 | 1 | |
| Mihan, Jörg | Jörg Mihan | Dramaturg | 2023 | 2 | |
| Murakami, Yuji | Yuji Murakami | Dramaturg, Sound Designer | 2006 - 2008 | 3 | |
| Mißbach, Klaus | Klaus Mißbach | Dramaturg, Translator | 1994 - 2004 | 5 | |
| Mai, Felicitas | Felicitas Mai | Dramaturg, Translator | 1998 | 2 | |
| Mansourian, Henrik | Henrik Mansourian | Lighting Designer | 2007 | 1 | |
| Marsh, Elliott | Elliott Marsh | Lighting Designer | 2008 | 1 | |
| Matzkanin, Mark | Mark Matzkanin | Lighting Designer | 1990 - 2007 | 2 | |
| McGrath, Ian | Ian McGrath | Lighting Designer | 1982 | 1 | |
| Murakami, Miyuki | Miyuki Murakami | Lighting Designer | 2007 - 2009 | 6 | |
| Murray, Rupert | Rupert Murray | Lighting Designer | 1984 - 1993 | 2 | |
| MacHugh, Tina | Tina MacHugh | Lighting Designer | 1990 - 2000 | 13 | |
| McIntyre, Deirdre | Deirdre McIntyre | Lighting Designer | 1960 | 1 | |
| Maldonado, Alberto | Alberto Maldonado | Lighting Designer | 1985 | 1 | |
| Mintzer, William | William Mintzer | Lighting Designer | 1971 | 1 | |
| Marrer, Meghan | Meghan Marrer | Lighting Designer | 2006 | 1 | |
| McCaw, Robert | Robert McCaw | Lighting Designer | 1964 | 1 | |
| McNulty, Finnuala | Finnuala McNulty | Lighting Designer | 2001 - 2008 | 14 | |
| Mützel-Schumann, Reinhard | Reinhard Mützel-Schumann | Lighting Designer | 2001 | 1 | |
| MacLeod, Charles R. | Charles R. MacLeod | Lighting Designer | 2005 | 1 | |
| Mills, Simon | Simon Mills | Lighting Designer | 1994 | 1 | |
| MacDevitt, Brian | Brian MacDevitt | Lighting Designer | 1993 | 1 | |
| Morris, Dean | Dean Morris | Lighting Designer | 1991 | 1 | |
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