Jacob Golos, (born Yakov Naumovich Reizen, Russian: Яков Наумович Рейзен; 1889 – 1943), was a Ukrainian-born Bolshevik revolutionary of ethnic Jewish heritage who became a secret police operative on behalf of the USSR in the United States. A founding member of the Communist Party of the United States of America (CPUSA), around 1930 Golos became involved in the covert work of Soviet intelligence agencies, including the procurement of American passports by means of fraudulent documentation and the recruitment and coordination of the activities of a broad network of agents.
Yakov Naumovich Reizen was born April 24, 1889, in Ekaterinoslav, Russian Empire, now Dnepropetrovsk in Ukraine, to a Jewish family. Yakov’s father worked as a shop assistant. In addition to Yakov, the Reizen family included two more brothers and three sisters.
Reizen was a participant in the 1905 Revolution, serving as a member of the first soviet of Ekaterinoslav, a city known today as Dnepropetrovsk.
In 1906 Reizen organized an illegal revolutionary printing press, for which he was arrested in the last days of that year. Reizen was subsequently convicted and sentenced to eight years of hard labor, a term ultimately commuted to lifetime exile to Yakutia in northern Siberia by the government of Tsar Nikolai II.