Board 2025: ‘Don't slip, get a grip!’

Board 46, groups foto
From bottom up, left to right: Victor, Lieke, Martijn, Frank, Margreet, Sam.


Chairman - Martijn Veldhuis

Chairman - Martijn Veldhuis

You can reach me at voorzitter@tsac.alpenclub.nl.​

Vice-chair & Course Commissioner - Lieke van Leenen

Vice-chair & Course Commissioner - Lieke van Leenen

For general question you can reach me with vice-voorzitter@tsac.alpenclub.nl, and for courses related questions you can use opleidingsco@tsac.alpenclub.nl.

Secretary - Victor Sloot

Secretary - Victor Sloot
Hello, I am Victor and I am the secretary of the 46th board.

Nearly 3 years ago, I discovered climbing and I have been hooked on it ever since. You will probably have seen me at technique trainings or on the outside wall. But I am trying to go on more weekends. Being board allows me to be active within the TSAC.

If you have any questions about my mails, contact me at: secretaris@tsac.alpenclub.nl

Treasurer - Frank Bosman

Treasurer - Frank Bosman


Hey, I am Frank, the Treasurer of the 46th board of TSAC.

Since a bit more than a year ago I rediscovered the joys of climbing. And now that I am board, I have a good excuse to spend more time climbing and going on TSAC weekends. So you will probably see me in the hall evenings, at the outside wall, or in the trainings.

My board function also keeps me active within TSAC. If you are a member, you most certainly have received at least a few mails from me. If you have any questions about these mails, TSAC finances or TSAC in general, then do not hesitate to get in touch with me, mail: penningmeester@tsac.alpenclub.nl.

Weekend Commissioner - Margreet ter Schure

Weekend Commissioner - Margreet ter Schure
klimco@tsac.alpenclub.nl
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Internal Commissioner - Sam Rotgans

Internal Commissioner - Sam Rotgans

Hi! I'm Sam, the Internal Affairs Commissioner.

I've been a member of TSAC for a while now, though I wasn't super active in my first few years. And now suddenly I'm part of the board! :)

I organize as many activities and especially drinks as possible (depending on time and budget). If you have a fun idea or any questions, feel free to send me a message or email me at: ​cib@tsac.alpenclub.nl

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