| Name | Functions  | Event Dates | Events | Resources | ||
|---|---|---|---|---|---|---|
| Catherine Ailloud-Nicolas | Dramaturg | 2007 - 2022 | 11 | |||
| Susanne Abbrederis | Dramaturg | 2008 | 1 | |||
| Alexandra Althoff | Dramaturg | 2009 - 2010 | 4 | |||
| - Ashley | Dramaturg | 2009 - 2012 | 3 | |||
| Katarina Aronsson | Dramaturg | 2011 | 1 | |||
| Marion Ammicht | Dramaturg | 2016 | 1 | |||
| Michaela Angelopoulos | Dramaturg | 2012 | 1 | |||
| Gregor Acuna | Dramaturg | 2017 - 2022 | 2 | |||
| Hans J. Ammann | Dramaturg | 1999 | 1 | |||
| Mukaddes Anğay | Dramaturg | 2017 | 1 | |||
| Neena Arndt | Dramaturg | 2018 | 1 | |||
| Gökhan Aktemur | Dramaturg | 2018 | 1 | |||
| Matthias Asboth | Dramaturg | 2022 | 1 | |||
| Hans Akesson | Lighting Designer | 1989 - 1991 | 3 | |||
| Peter Adamson | Lighting Designer | 1960 | 1 | |||
| Teresa Atkinson | Lighting Designer | 1984 | 1 | |||
| Ronny Andersson | Lighting Designer | 1988 - 1996 | 5 | |||
| Hiroaki Asami | Lighting Designer | 1998 - 2006 | 11 | |||
| Kimio Anazawa | Lighting Designer | 1940 - 1968 | 8 | |||
| Reece Arthur | Lighting Designer | 2011 | 1 | |||
| Peter Andersson | Lighting Designer | 1993 | 42 | |||
| Vincent Allen | Lighting Designer | 2009 | 1 | |||
| Kristján Arnljótsson | Lighting Designer | 1944 | 1 | |||
| Jens-Henrik Andersen | Lighting Designer | 1992 | 1 | |||
| Hans-Christian Arlt | Lighting Designer | 2013 | 1 | |||
| Al Anderson | Lighting Designer | 1974 | 1 | |||
| Jon D. Andreadakis | Lighting Designer | 1998 | 2 | |||
| J. James Andrews | Lighting Designer | 1978 | 1 | |||
| Ari Auvinen | Lighting Designer | 1983 | 1 | |||
| Muaz Al Jubeh | Lighting Designer | 2008 | 6 | |||
| Jane Archer | Lighting Designer | 1972 | 1 | |||
| Tim Aspeling | Lighting Designer | 1985 | 1 | |||
| Martin Aronstein | Lighting Designer | 1969 - 1986 | 4 | |||
| João Acir | Lighting Designer | 1987 | 2 | |||
| Betsy Adams | Lighting Designer | 1986 | 1 | |||
| Björn Allard | Lighting Designer | 1984 | 1 | |||
| Luis Alcaide | Lighting Designer | 1990 - 2020 | 4 | |||
| Manuel Amorim | Lighting Designer | 1992 | 1 | |||
| Bert Andersson | Lighting Designer | 1993 | 1 | |||
| Stephen Appleby | Lighting Designer | 1994 | 1 | |||
| Hannes Arenz | Lighting Designer | 1994 | 1 | |||
| Alekos Anastasiou | Lighting Designer | 1994 - 2016 | 4 | |||