Passage: Boris Grigorevich Kolker (Russian: Борис Григорьевич Колкер) (born July 15, 1939 in Tiraspol, Moldavian ASSR, Soviet Union) is a language teacher, translator and advocate of the international language Esperanto. He was until 1993 a Soviet and Russian citizen and since then has been a resident and citizen of the United States residing in Cleveland, Ohio. In 1985 he was awarded a Ph.D. in linguistics from the Institute of Linguistics of the Academy of Sciences of the USSR in Moscow.

Question: Where in the United States does he live?
Cleveland, Ohio