Военная коллегия Верховного суда СССР
In 1926, Ulrikh became Chairman of the Military Collegium of the Supreme Court of the USSR. It was in this capacity that he handed down the sentences of the Great Purges. Ulrikh sentenced Zinoviev, Kamenev, Bukharin, Tukhachevsky, Rodzaevsky, Yezhov and many others. He attended the executions of many of these men, and occasionally performed executions himself. Ulrikh personally executed Yan Karlovich Berzin, former head of Red Army Intelligence Directorate, later called GRU.