The board of ONS Leiden is responsible for the daily affairs of the party, contact between fractions, and contact with external parties. You can reach us by sending an email to bestuur[@]stemons.nl.
The seventh board of ONS Leiden is constituted as follows:
President | Luca Bakker |
Secretary | Michael Reintjens |
Treasurer | Koen Sipkes |
General Board Member | Mikki Vrijenhoek |
Previous boards
The sixth board of ONS Leiden is constituted as follows:
President | Abel van de Sluis |
Secretary | Luc de Boer |
Treasurer | Sven Kemper |
Board Member Campaign | Noa van de Klundert |
Board Member of Internal Affairs | Luca Bakker |

The fifth board of ONS Leiden is constituted as follows:
President | Julie Külsen |
Secretary | Carlijn Raijmakers |
Treasurer | Daan Rozemeijer |
Board Member Campaign | Cas Meeuwissen |
Board Member Media & Design | Carine ten Doesschate |
Board Member of Internal Affairs | Floor van Lelyveld |
Fifth board (f.l.t.r Daan Rozemeijer, Carlijn Raijmakers, Cas Meeuwissen, Julie Külsen, Floor van Lelyveld and Carine ten Doesschate)
The fourth board of ONS Leiden is constituted as follows:
President | Nilson Milheiro Anselmo |
Secretary | Siobhan Kuin |
Treasurer | Clair Rozemeijer |
Board Member Campaign | Mante Kaaks |
Fourth board (f.l.t.r Clair Rozemeijer, Mante Kaaks, Siobhan Kuin and Nilson Milheiro Anselmo)
The third board of ONS Leiden is constituted as follows:
President | Tolga Güneri |
Secretary | Lotte van den Bosch |
Treasurer | Tim Martens |
Board Member Campaign | Heleen Kleinjans |

The second board of ONS Leiden is constituted as follows:
President | Vera Groeneveld |
Secretary and Board Member Membership Recruitment | Tom Schoen |
Second board (Vera Groeneveld en Tom Schoen)
The first board of ONS Leiden is constituted as follows:
President | Roy van den Boomgaard |
Secretary | Alderik Oosthoek |
Treasurer | Mirella Lindström |