Leib (Leo) Seincman was born in the family of Moyses Seincan and Gitlea (Geni) Seincman from Bessarabia. The whole family emigrated to Brazil after World War II and contributed tothe formation of aquality industrial culture, which included the design of manufactured parts. He was the owner of the Ambiente store/gallery founded in 1951; and Probjeto, opened in 1964, whose name was designed by Decio Pignatari and the brand developed by Alexandre Wollner. He launched unknown artists at that time as Amelia Toledo and Tomie Ohtake at the Ambiente gallery. In 1991, he dedicated himself to the relaunch of the Embalo chair by Joaquim Tenreiro, who lived in ostracism. He was part of the generation that believed in the future of design and Brazil. He participated in collective actions such as the Brazilian Industrial Design Association in 1963. Probieto is the onlyone in the world authorized to produce and export furniture from the Italian Lamm, known for its bold design products. A line of branded seats, intended for corporate and community use (in airports, shopping malls, hospitals), ti is the Probjeto passport to enter the market of South American neighbors. Currently, sales to legal entities constitute approximately 75% of the company's revenue, which ranges from $ 800,000 to $ 1 million per month. The other 25% comes from the sale of residential furniture.