- Councillor of Commerce, Founder of the Association of Krengolmskaya Manufactory (since 1883), Joint Owner of the Firm "Lyudvig Knop", Member of the Council of Moscow Merchant Bank, Member of the Council of Russian-Chinese Bank, Director of Moscow Company of Fire Insurance (1875-1901), Chairman of the Managing Committee of the Association "Emil Tsindel" (since 1874), Member of the Managing Committee of the Association of Ekateringofskaya Cotton Mill, Member of the Managing Committee of the Association of Izmailovskaya Manufactory, Member of the Managing Committee of the Association of Voznesenskaya Manufactory of S.Lepeshkin's Sons, Member of the Managing Committee of the Association of Manufactories, founded by I.I.Skvortsov, Member of the Association of Collieries and Chemical Plants of R.Gill, Founder of the Charitable Society attached to Moscow Basmannaya Hospital. Photo of O.Renar. Illustration from the Book "Silver Jubillee of the Association of the Print Manufactory "Emil Tsindel" in Moscow. 1874-1899" Moscow. 1899