My roommate will be your host, is an architect (a good one too!) working downtown SF. Native to California, he knows the area really well! Generally great guy all around. He is 31 years old.
I'm a software engineering working downtown. Bike everyday. Belgium born, world raised. Am 30 yrs old. You'll be staying in my great room which I love to bits.
If you need to know more just ask ;-)
Tim & Matt