 However he emigrated in 1903, and attended the Second Congress of the RSDLP, joining the Iskra and later the Vperedist faction.The Central Committee of the party offered him a post following the Congress and in 1904 he attended the meeting of 22 Bolsheviks in Geneva where he was elected to the Bureau of the Committees of the Majority.He then attended the International Socialist Congress, Amsterdam 1904 as a Bolshevik delegate.