Dave Miller, president and partner of brand design firm Stoke Strategies, said his office has the best cafeteria in the world. The 4,500-square-foot office space is located in the Kolstrand Building on Ballard Ave., also houses the popular Walrus and Carpenter, and Staple and Fancy restaurants. The building is more than 100 years old. And was first used as a marine supply building. The company moved into the office space a little more than three years ago. Stoke shares the space with design firm…