| 2015-2017 | 2018 | 2019 | 2020 |
| Aneliya Yotova | Albena Kaplanska | Albena Patroneva | Albena Patroneva |
| Atanas Tepavicharov | Albena Patroneva * | Alice Semov | Bojidar Bakalov |
| Chono Kolev | Alice Lim | Angel Kolev | Guenadiy Lazarov |
| Daniela Mitreva | Angel Angelov | Bailley Georgieva | Ivaylo Hristov |
| Denitsa Hristova | Bojidar Bakalov * | Bojidar Bakalov | Iveta Pirgova |
| Dimitar Stoykov | Boyko Antonov | Boriana Georgieva | Krassi Lazarova |
| Dimitar Geshev | Chono Kolev | Chono Kolev | Kris Hristov |
| Dimitar Stoykov | Dessi Dimitrova* | Dimitar Stoykov | Pavel Pavlov |
| Elena Tinsay | Dimitar Stoykov * | Dino Kolev | Peter Doichinov |
| Emi Ekimov | Eleonora Krasteva | Eleonora Krasteva | Rositsa Lasheva |
| Emil Nikolov | Emilia Ekimova | Galina Georgieva | Sirma Koutzaki |
| Emilia Ekimova | Galen Ekimov | Georgi Simeonov | Svetla Ginev |
| Galina Georgieva | Galina Georgieva | Guenadiy Lazarov | Volodya Stavrev |
| George Tachev | Georgi Ekimov | Irina Koleva | |
| Georgi Ekimov | Gergana Petkova | Iskren Krassimirov | |
| Georgi Presolski | GregDinon | Ivaylo Hristov | |
| Georgi Simeonov | Irina Koleva | Iveta Pirgova | |
| Gergana Petkova | Ivaylo Hristov * | Joro Stoynev | |
| Goldie Semov | Iveta Pirgova * | Joseph El Maqussi | |
| Guenadiy Lazarov | Joseph El-Maqussi * | Julianna Lazarova | |
| Hristina Velcheva | Julianna Lazarova | Kalin Genchev | |
| Iantcho Dimitrov | Kalin Genchev | Kalina Stefanova | |
| Iliana Ilieva | Krasimira Seirova | Katia May | |
| Irina Dokova | Krassi Lazarova * | Krassi Kachorov | |
| Ivan Ginov | Kristina Nikolova | Krassi Lazarova | |
| Ivaylo Hristov | Krum Bakalov | Kristina Nikolova | |
| Iveta Pirgova | Lucy Severova | Maia Daskalova | |
| Janucz Kacarow | Maia Daskalova | Margarita Larkova | |
| Jiali Dong | Margarita Markova | Nenko Garchev | |
| Joseph El-Maqussi | Mila Etropolski * | Nikolai Doichinov | |
| Justin Bendigo | Nenko Garchev | Peter Doichinov | |
| Kalin Genchev | Nikolay Petrov | Petya Yorgova | |
| Katerina Hubanova | Peter Doichinov | Plamen Prodanov | |
| Katya Dimitrova | Petya Yorgova | Plamen Prodanov | |
| Krasimira Petkova | Radiyana Mancheva | Rossitsa Tacheva | |
| Krassi Kachorov | Rositsa Lasheva | Rumen Georgiev | |
| Krassi Lazarova | Rossitza Tacheva * | Sevdalin Semov | |
| Kremena Ivanova | Rumen Georgiev | Silvio Marekov | |
| Kristina Lalova | Serafim Serafimov | Sirma Koutzaki | |
| Kristina Nikolova | Silvia Monova | Slavka Pargova | |
| Krum Bakalov | Silvia Valkova | Svet Dimitrov | |
| Lushka Nencheva | Silvio Marekov | Svetla Ginev | |
| Maia Daskalova | Sirma Koutzakis * | Svilen Ivanov | |
| Maria Savova | Slavka Pargova | Tanya Angelova | |
| Mila Etropolski | Steliana Ivanova | Victor Hubanov | |
| Nadia Christiansen | Stefan Stefanov | Volen Nikolov | |
| Nadia Prodanov | Stoyan Georgiev | Zlatka Semov | |
| Nelly Tacheva | Stoyan Lazarov | ||
| Nenko Garchev | Svetla Gineva | ||
| Nikola Tachev | Svetoslav Dimitrov | ||
| Nikolay Doichinov | Veselka Koleva | ||
| Nikolay Ivanov | Vessy Dusichka * | ||
| Nikolay Kolev | Victoria Todorova | ||
| Nina Stamenova | Yana Kalinkova | ||
| Pavel Pavlov | |||
| Peter Doichinov | |||
| Petya Dokova | |||
| Petya Yorgova | |||
| Rossen Nenchev | |||
| Rossitsa Lasheva | |||
| Rossitsa Tacheva | |||
| Rumi Karkelanova | |||
| Silviya Monova | |||
| Sirma Koutsakis | |||
| Stefan Georgiev | |||
| Steftcho Slavtchev | |||
| Stephan Stephanov | |||
| Stoyan Georgiev | |||
| Svetla Ginev | |||
| Svetoslav Dimitrov | |||
| Tanya Angelova | |||
| Tatiana El-Maqussi | |||
| Toman Slawow | |||
| Tzvetan Tzonev | |||
| Valentin Tzankov | |||
| Valeria Gospodinov | |||
| Vanya Telpis | |||
| Veselka Koleva | |||
| Vessy Dusichka | |||
| Yoto Yotov |
* volunteer group leaders
Thank you.
We appreciate your time and thank you for your contributions. In case we missed you, please contact us to include your name above. For any reason, if you would like your name to be removed, please contact us. we will gladly assist with your request.