The article for the first time examines in detail the court service of the statesman of the first half of the XVII century, Baim Fedorovich Boltin. At the beginning of his career, he was an Arzamas nobleman. In 1624 he entered the court service, then served for several years as a clerk of the Novgorod’s quarter. He took an active part in court events, embassy meetings. In the last years of Mikhail Romanov’s life, he was a marshal’s assistant and the first judge of the Ministry of Cavalry.