Board pictures from left to right:
- Officer of Educational Affairs
- Officer of Internal Affairs
- Secretary
- Chair
- Treasurer
- Officer of External Affairs
Pyrus board XXXVIIa – 2025
| Chair | Immekijn Tieleman |
| Secretary | Huub Schobers |
| Treasurer | Esther Verburg |
| Officer of Internal Affairs | Reijn Scharringa |
| Officer of External Affairs | Elke Hagen |
| Officer of Educational Affairs | – |
Pyrus board XXXVIb – 2025
| Chair | Immekijn Tieleman |
| Secretary | Lily McAlpine |
| Treasurer | Esther Verburg |
| Officer of Internal Affairs | Reijn Scharringa |
| Officer of External Affairs | Maud Boonman |
| Officer of Educational Affairs | Lucas van de Westelaken |
Pyrus board XXXVIa – 2024
| Chair | Roos Breukel |
| Secretary | Lily McAlpine |
| Treasurer | David Klos |
| Officer of Internal Affairs | Nils Reefman |
| Officer of External Affairs | Maud Boonman |
| Officer of Educational Affairs | Lucas van de Westelaken |
Pyrus board XXXVb – 2024
| Chair | Roos Breukel |
| Secretary | Nynke Bekkers |
| Treasurer | David Klos |
| Officer of Internal Affairs | Nils Reefman |
| Officer of External Affairs | Caroline Stoop |
| Officer of Educational Affairs | Lieke Edelmann |
Pyrus board XXXVa – 2023
| Chair | Jurre Bakker |
| Secretary | Nynke Bekkers |
| Treasurer | Bouke Hefting |
| Officer of Internal Affairs | Madelon Oude Heuvel |
| Officer of External Affairs | Caroline Stoop |
| Officer of Educational Affairs | Lieke Edelmann |
Pyrus board XXXIVb – 2023
| Chair | Jurre Bakker |
| Secretary | Maaike van der Veld |
| Treasurer | Bouke Hefting |
| Officer of Internal Affairs | Madelon Oude Heuvel |
| Officer of External Affairs | Esther |
| Officer of Educational Affairs | Tom Roukema |
Pyrus board XXXIVa – 2022
| Chair | Wessel van Geijn |
| Secretary | Maaike van der Veld |
| Treasurer | Isabel Kuin |
| Officer of Internal Affairs | Sara Fischer |
| Officer of External Affairs | Thijs Heijmer |
| Officer of Educational Affairs | Tom Roukema |
Pyrus board XXXIIIb – 2022
| Chair | Wessel van Geijn |
| Secretary | Manon Bogaart |
| Treasurer | Isabel Kuin |
| Officer of Internal Affairs | Sara Fischer |
| Officer of External Affairs | Thijs Heijmer |
| Officer of Educational Affairs | Sjoerd Polder |
Pyrus board XXXIIIa – 2021
| Chair | Wessel van Geijn |
| Secretary | Manon Bogaart |
| Treasurer | Anna Huitema |
| Officer of Internal Affairs | Romy Haanschoten |
| Officer of External Affairs | Ruben Koppius |
| Officer of Educational Affairs | Sjoerd Polder |
Pyrus board XXXIIb – 2021
| Chair | Joep Bosdijk |
| Secretary | Lisanne Neefjes |
| Treasurer | Anna Huitema |
| Officer of Internal Affairs | Romy Haanschoten |
| Officer of External Affairs | Ruben Koppius |
| Officer of Educational Affairs | Heleen Aalderink |
Pyrus board XXXIIa – 2020
| Chair | Joep Bosdijk |
| Secretary | Lisanne Neefjes |
| Treasurer | Runar Vos |
| Officer of Internal Affairs | Veerle Beijer |
| Officer of External Affairs | Ingeborg Verkleij |
| Officer of Educational Affairs | Heleen Aalderink |
Pyrus board XXXIb – 2020
| Chair | Wouter Smits |
| Secretary | Manouk Geurts |
| Treasurer | Runar Vos |
| Officer of Internal Affairs | Leander de Wit |
| Officer of External Affairs | Ingeborg Verkleij |
| Officer of Educational Affairs | Veerle Beijer |
Pyrus board XXXIa – 2019
| Chair | Wouter Smits |
| Secretary | Manouk Geurts |
| Treasurer | Ruben van Baare |
| Officer of Internal Affairs | Leander de Wit |
| Officer of External Affairs | Ruben Peters |
| Officer of Educational Affairs | Andrea Kees |
Pyrus board XXXb – 2019
| Chair | Esther van der Laan |
| Secretary | Floor Hermans |
| Treasurer | Ruben van Baare |
| Officer of Internal Affairs | Lotte Braat |
| Officer of External Affairs | Ruben Peters |
| Officer of Educational Affairs | Andrea Kees |
Pyrus board XXXa – 2018
| Chair | Esther van der Laan |
| Secretary | Floor Hermans |
| Treasurer | Bart Vlemmix |
| Officer of Internal Affairs | Lotte Braat |
| Officer of External Affairs | Gijs Eijgenraam |
| Officer of Educational Affairs | Maaike de Boer |
Pyrus board XXIXb – 2018
| Chair | Steven Heesterman |
| Secretary | Mirabel Vlaming |
| Treasurer | Bart Vlemmix |
| Officer of Internal Affairs | Rosan van Halsema |
| Officer of External Affairs | Gijs Eijgenraam |
| Officer of Educational Affairs | Maaike de Boer |
Pyrus board XXIXa – 2017
| Chair | Steven Heesterman |
| Secretary | Mirabel Vlaming |
| Treasurer | Devin Beck |
| Officer of Internal Affairs | Rosan van Halsema |
| Officer of External Affairs | Luuk Bersee |
| Officer of Educational Affairs | Jip Koster |
Pyrus board XXVIIIb – 2017
| Chair | Jeroen van der Valk |
| Secretary | Henry Rommelse |
| Treasurer | Devin Beck |
| Officer of Internal Affairs | Yde Jansen |
| Officer of External Affairs | Luuk Bersee |
| Officer of Educational Affairs | Jip Koster |
Pyrus board XXVIIIa – 2016
| Chair | Jeroen van der Valk |
| Secretary | Henry Rommelse |
| Treasurer | Anouk Timmerman |
| Officer of Internal Affairs | Yde Jansen |
| Officer of External Affairs | Maaike Gaaff |
| Officer of Educational Affairs | Auke van der Woude |
Pyrus board XXVIIb – 2016
| Chair | Ruud Steenbeek |
| Secretary | Sippora Stellingwerf |
| Treasurer | Anouk Timmerman |
| Officer of Internal Affairs | Kees Teuling |
| Officer of External Affairs | Maaike Gaaff |
| Officer of Educational Affairs | Auke van der Woude |
Pyrus board XXVIIa – 2015
| Chair | Ruud Steenbeek |
| Secretary | Sippora Stellingwerf |
| Treasurer | Eugene Hendrikx |
| Officer of Internal Affairs | Kees Teuling |
| Officer of External Affairs | Maarten van Pelt |
| Officer of Educational Affairs | Janneke Pouwels |
Pyrus board XXVIb – 2015
| Chair | Jostijn van der Velde |
| Secretary | Joep van Haeff |
| Treasurer | Eugene Hendrikx |
| Officer of Internal Affairs | Maartje Holtslag |
| Officer of External Affairs | Maarten van Pelt |
| Officer of Educational Affairs | Janneke Pouwels |
Pyrus board XXVIa – 2014
| Chair | Jostijn van der Velde |
| Secretary | Joep van Haeff |
| Treasurer | Mike Budde |
| Officer of Internal Affairs | Maartje Holtslag |
| Officer of External Affairs | Roos Ottink |
| Officer of Educational Affairs | Bas Wullems |
Pyrus board XXVb – 2014
| Chair | Michael Methorst |
| Secretary | Kelly Nijhuis |
| Treasurer | Mike Budde |
| Officer of Internal Affairs | Jorn Habes |
| Officer of External Affairs | Roos Ottink |
| Officer of Educational Affairs | Bas Wullems |
Pyrus board XXVa – 2013
| Chair | Michael Methorst |
| Secretary | Kelly Nijhuis |
| Treasurer | Niek Heijs |
| Officer of Internal Affairs | Jorn Habes |
| Officer of External Affairs | Marianne Bosman |
| Officer of Educational Affairs | Marie Wesselink |
Pyrus board XXIVb – 2013
| Chair | Walter Box |
| Secretary | Luuk Groot Haar |
| Treasurer | Niek Heijs |
| Officer of Internal Affairs | Iris Niesten |
| Officer of External Affairs | Marianne Bosman |
| Officer of Educational Affairs | Marie Wesselink |
Pyrus board XXIVa – 2012
| Chair | Walter Box |
| Secretary | Luuk Groot Haar |
| Treasurer | Geerten Horn |
| Officer of Internal Affairs | Iris Niesten |
| Officer of External Affairs | Lisanne van Beek |
| Officer of Educational Affairs | Anne van der Heijden |
Pyrus board XXIIIb – 2012
| Chair | Niek Fischer |
| Secretary | Iris Vreugdenhil |
| Treasurer | Geerten Horn |
| Officer of Internal Affairs | Esther Faulhaber |
| Officer of External Affairs | Lisanne van Beek |
| Officer of Educational Affairs | Anne van der Heijden |
Pyrus board XXIIIa – 2011
| Chair | Niek Fischer |
| Secretary | Iris Vreugdenhil |
| Treasurer | Bram Wennekes |
| Officer of Internal Affairs | Esther Faulhaber |
| Officer of External Affairs | Henrieke Paul |
| Officer of Educational Affairs | Sarah Hinborch |
Pyrus board XXIIb – 2011
| Chair | Helga Vuist |
| Secretary | Alie Stegerman |
| Treasurer | Bram Wennekes |
| Officer of Internal Affairs | Tobias Nootenboom |
| Officer of External Affairs | Henrieke Paul |
| Officer of Educational Affairs | Sarah Hinborch |
Pyrus board XXIIa – 2010
| Chair | Helga Vuist |
| Secretary | Alie Stegerman |
| Treasurer | Thirza van Laar |
| Officer of Internal Affairs | Tobias Nootenboom |
| Officer of External Affairs | Thomas Berends |
| Officer of Educational Affairs | Christian de Kleijn |
Pyrus board XXIb – 2010
| Chair | Lieke Melsen |
| Secretary | Frank Bosch van Drakestein |
| Treasurer | Thirza van Laar |
| Officer of Internal Affairs | Yvonne Smit |
| Officer of External Affairs | Thomas Berends |
| Officer of Educational Affairs | Christian de Kleijn |
Pyrus board XXIa – 2009
| Chair | Lieke Melsen |
| Secretary | Frank Bosch van Drakestein |
| Treasurer | Rozemarijn Neefjes |
| Officer of Internal Affairs | Yvonne Smit |
| Officer of External Affairs | Joost Iwema |
| Officer of Educational Affairs | Maaike Cazemier |
Pyrus board XXb – 2009
| Chair | Karin van der Wiel |
| Secretary | Tim van Dalen |
| Treasurer | Rozemarijn Neefjes |
| Officer of Internal Affairs | Niko Wanders |
| Officer of External Affairs | Joost Iwema |
| Officer of Educational Affairs | Maaike Cazemier |
Pyrus board XXa – 2008
| Chair | Karin van der Wiel |
| Secretary | Tim van Dalen |
| Treasurer | Annette Janssen |
| Officer of Internal Affairs | Niko Wanders |
| Officer of External Affairs | Michiel Broers |
| Officer of Educational Affairs | Susan van der Salm |
Pyrus board XIXb – 2008
| Chair | Maarten Holtslag |
| Secretary | Bart van Stratum |
| Treasurer | Annette Janssen |
| Officer of Internal Affairs | Daphne Westra |
| Officer of External Affairs | Michiel Broers |
| Officer of Educational Affairs | Susan van der Salm |
Pyrus board XIXa – 2007
| Chair | Maarten Holtslag |
| Secretary | Bart van Stratum |
| Treasurer | Laura Nienhuis |
| Officer of Internal Affairs | Daphne Westra |
| Officer of External Affairs | Maaike van Scheppingen |
| Officer of Educational Affairs | Annette Wijbrans |
Pyrus board XVIIIb – 2007
| Chair | Stefan Ligtenberg |
| Secretary | Bart Pelgrim |
| Treasurer | Laura Nienhuis |
| Officer of Internal Affairs | Tamar Nieuwenhuizen |
| Officer of External Affairs | Maaike van Scheppingen |
| Officer of Educational Affairs | Annette Wijbrans |
Pyrus board XVIIIa – 2006
| Chair | Stefan Ligtenberg |
| Secretary | Bart Pelgrim |
| Treasurer | Velda Slenters |
| Officer of Internal Affairs | Tamar Nieuwenhuizen |
| Officer of External Affairs | Caroline te Pas |
| Officer of Educational Affairs | Marlous Jonker |
Pyrus board XVIIb – 2006
| Chair | Michalis Papageorgiou |
| Secretary | Marieke Duineveld |
| Treasurer | Velda Slenters |
| Officer of Internal Affairs | Erwin van der Klooster |
| Officer of External Affairs | Caroline te Pas |
| Officer of Educational Affairs | Marlous Jonker |
Pyrus board XVIIa – 2005
| Chair | Marjolein Benda |
| Secretary | Marieke Duineveld |
| Treasurer | Hella van Asperen |
| Officer of Internal Affairs | Erwin van der Klooster |
| Officer of External Affairs | Dirk Wolters |
| Officer of Educational Affairs | Sonja van Berkum |
Pyrus board XVIb – 2005
| Chair | Bram te Brake |
| Secretary | David Vermaas |
| Treasurer | Hella van Asperen |
| Officer of Internal Affairs | Marjolein Benda |
| Officer of External Affairs | Dirk Wolters |
| Officer of Educational Affairs | Sonja van Berkum |
Pyrus board XVIa – 2004
| Chair | Bram te Brake |
| Secretary | Miranda Braam |
| Treasurer | Hella van Asperen |
| Officer of Internal Affairs | David Vermaas |
| Officer of External Affairs | Dieuwke Schotanus |
| Officer of Educational Affairs | – |
Pyrus board XVb – 2004
| Chair | Pieter Hazenberg |
| Secretary | Miranda Braam |
| Treasurer | Gerrit Tuinstra |
| Officer of Internal Affairs | David Vermaas |
| Officer of External Affairs | Dieuwke Schotanus |
| Officer of Educational Affairs | Claudia Brauer |
Pyrus board XVa – 2003
| Chair | Pieter Hazenberg |
| Secretary | Louise Nuijens |
| Treasurer | Gerrit Tuinstra |
| Officer of Internal Affairs | Yora Tolman |
| Officer of External Affairs | Maarten Klunder |
| Officer of Educational Affairs | Claudia Brauer |
Pyrus board XIVb – 2003
| Chair | Suzanne Poyck |
| Secretary | Louise Nuijens |
| Treasurer | Ruud Janssen |
| Officer of Internal Affairs | Yora Tolman |
| Officer of External Affairs | Maarten Klunder |
| Officer of Educational Affairs | Meinou Kok |
Pyrus board XIVa – 2002
| Chair | Suzanne Poyck |
| Secretary | Karen Nijdam |
| Treasurer | Ruud Janssen |
| Officer of Internal Affairs | Miranda van Zoelen |
| Officer of External Affairs | Dirk de Kramer |
| Officer of Educational Affairs | Meinou Kok |
Pyrus board XIIIb – 2002
| Chair | Richard Michel |
| Secretary | Karen Nijdam |
| Treasurer | Carine Homan |
| Officer of Internal Affairs | Miranda van Zoelen |
| Officer of External Affairs | Dirk de Kramer |
| Officer of Educational Affairs | Iris Hakbijl |
Pyrus board XIIIa – 2001
| Chair | Richard Michel |
| Secretary | Jelmer Akkerman |
| Treasurer | Carine Homan |
| Officer of Internal Affairs | Nina van Vulpen |
| Officer of External Affairs | Martijn Tilma |
| Officer of Educational Affairs | Iris Hakbijl |
Pyrus board XIIb – 2001
| Chair | Gaelene Kramers |
| Secretary | Jelmer Akkerman |
| Treasurer | Saskia Noteboom |
| Officer of Internal Affairs | Nina van Vulpen |
| Officer of External Affairs | Martijn Tilma |
| Officer of Educational Affairs | Marieke Desmense |
Pyrus board XIIa – 2000
| Chair | Gaelene Kramers |
| Secretary | Mirjam Groot Zwaaftink |
| Treasurer | Saskia Noteboom |
| Officer of Internal Affairs | Sandra Snel |
| Officer of External Affairs | Freddo Bax |
| Officer of Educational Affairs | Marieke Desmense |
Pyrus board XIb – 2000
| Chair | Arjan van ‘t Zelfde |
| Secretary | Mirjam Groot Zwaaftink |
| Treasurer | Evert Boshoven |
| Officer of Internal Affairs | Sandra Snel |
| Officer of External Affairs | Freddo Bax |
| Officer of Educational Affairs | Marije Stronks |
Pyrus board XIa – 1999
| Chair | Arjan van ‘t Zelfde |
| Secretary | Saskia Vuurens |
| Treasurer | Evert Boshoven |
| Officer of Internal Affairs | Anja Menkveld |
| Officer of External Affairs | Jelle Wisse |
| Officer of Educational Affairs | Marije Stronks |
Pyrus board Xb – 1999
| Chair | Ryan Teuling |
| Secretary | Saskia Vuurens |
| Treasurer | Jelle Staverman |
| Officer of Internal Affairs | Anja Menkveld |
| Officer of External Affairs | Jelle Wisse |
| Officer of Educational Affairs | – |
Pyrus board X – 1998
| Chair | Ryan Teuling |
| Secretary | Janneke Ettema |
| Treasurer | Jelle Staverman |
| Officer of Internal Affairs | Joost Rengers |
| Officer of External Affairs | Ruben IJpelaar |
| Officer of Educational Affairs | – |
Pyrus board IX – 1997
| Chair | Hans Schipper |
| Secretary | Job Kramer |
| Treasurer | Jan Peter Lesschen |
| Officer of Internal Affairs | Pim Beerling |
| Officer of External Affairs | Kaj van de Sandt |
| Officer of Educational Affairs | – |
Pyrus board VIII – 1996
| Chair | Martijn Maas |
| Secretary | Kees Roelofsma |
| Treasurer | Nila Taminiau |
| Officer of Internal Affairs | – |
| Officer of External Affairs | Martina van der Velde |
| Officer of Educational Affairs | – |
Pyrus board VII – 1995
| Chair | Evelien Verbauwen |
| Secretary | Maarten Quist |
| Treasurer | Mirjam van der Zeeuw |
| Officer of Internal Affairs | – |
| Officer of External Affairs | Martijn van der Berg |
| Officer of Educational Affairs | – |
Pyrus board VI – 1994
| Chair | Chris Stemerdink |
| Secretary | Karin de Bruijn |
| Treasurer | Ferdinand Borsje |
| Officer of Internal Affairs | Hilga Sikma |
| Officer of External Affairs | Marcel Frederik |
| Officer of Educational Affairs | Herbert ter Maat |
Pyrus board V – 1993
| Chair | Andre Schmidt |
| Secretary | Rini Hoevenaren |
| Treasurer | Arina van Schaik |
| Officer of Internal Affairs | Marco Knol |
| Officer of External Affairs | – |
| Officer of Educational Affairs | – |
Pyrus board IV – 1992
| Chair | Suzanne Rienks |
| Secretary | Karin Groenesteijn |
| Treasurer | Reinden Ronda |
| Officer of Internal Affairs | – |
| Officer of External Affairs | – |
| Officer of Educational Affairs | – |
Pyrus board III – 1991
| Chair | Heleen de Wit |
| Secretary | Maaike Wickardt |
| Treasurer | Elies Fongers |
| Officer of Internal Affairs | Marnix Mulder |
| Officer of External Affairs | – |
| Officer of Educational Affairs | – |
Pyrus board II – 1990
| Chair | Joep Crompvoets |
| Secretary | Roel van Wolfswinkel |
| Treasurer | Frank Jenniskens |
| Officer of Internal Affairs | – |
| Officer of External Affairs | – |
| Officer of Educational Affairs | – |
Pyrus board I – 1989
| Chair | David van den Burg |
| Secretary | Marco Nell |
| Treasurer | Harry Jan Hendricks Franssen |
| Officer of Internal Affairs | Rene Rietra |
| Officer of External Affairs | Frank Jenneskens |
| Officer of Educational Affairs | Joyce ThissenZ |
