Please read the FAQ page before contacting us. It will be much easier to speak about Jesień after that. In case of all organisational topics not related to invoices, please contact:

Filip Kłębczyk
Linux Autumn organizer, PLUG management board member
e-mail: fklebczyk [at]

If you want to ask somebody or resolve a problem with invoice, please use the following contact:
e-mail: ksiegowosc [at] tel.: 536 279 202

Jesień Linuksowa
Orle Gniazdo 20