Contact us


Elina koistinen Elina Koistinen
EOS Executive Director

Phone: +358 50 592 4693






Hannele Karppinen
Conference Manager

Phone: +358 50 571 9227

Oili Kohonen
Conference Manager

Phone: +358 40 564 0480







Tiina Romppanen
Finance Assistant, Membership issues




EOS Office (secretariat) and correspondance address

European Optical Society
Länsikatu 15
FI-80110 Joensuu

EOS Learned Society registered address (for official use only)

Institut d'Optique Graduate School
2, Avenue Augustin Fresnel
91127 PALAISEAU cedex–France


European Optical Society Oy (EOS Office, Secretariat)
Business ID: 2559965-4
Domicile: Joensuu, Finland


European Optical Society (EOS Learned Society)
The EOS is a registered not-for-profit association under French law and thus exempted from sales tax.
Association no.: W913002847. SIRET no.: 384 459 475 00016.