Daniel Kálmán Biss is an American mathematician and politician serving as mayor of Evanston, Illinois. He previously served as a member of both the Illinois House of Representatives and Illinois Senate.

Evanston is a city in Cook County, Illinois, United States, situated on the North Shore along Lake Michigan. A suburb of Chicago, Evanston is 12 miles (19 km) north of Downtown Chicago, bordered by Chicago to the south, Skokie to the west, Wilmette to the north, and Lake Michigan to the east. Evanston had a population of 78,110 as of 2020.