Hey,
I moved to Lausanne to work as an after school tutor in September. I wouldn't mind meeting up sometime (I work between 3-7pm and I go to French class Mon-Fri (9am-12pm)).
It is quite difficult to meet people, but I've just discovered this website too:
http://www.linkaupairgeneva.net/
They do trips etc. as well as meetings.
Let me know if you're heading out somewhere.
Cheers,
Christi