Alexander Abaew and Anastasios Kotsilas studied computer science at the Technical University of Berlin between 1983 and 1989. Immediately after graduating, they put their idea of a repository-based software development platform into practice and founded PiSA GmbH. After more than 30 years of consistent company development, Anastasios & Alexander have established the company as a respectable provider of CRM solutions on the market, see History
At the same time, they observed the rapid development of the capital Berlin and made a number of investments in the real estate sector. In doing so, they always have the long-term perspective in mind, so that a solid basis was created on which PiSA GmbH is now building.