Matt Hill, a pro bike fitter and local racer par excellance, is now doing fits one or two days a week at Gregg's Bellevue.
There's also Eric Moen, the highly and universally regarded bike fitting Sports Physical therapist up at the North end of the lake across the Burke Gilman from Kenmore Air. google "Erik Moen" for details on his practice- i think his site is
www.bikept.com