Jan is one of the two managing directors of CapeVision GmbH, a small but highly skilled german IT company with a strong focus on electronic invoicing. He has over 20 years of experience in Oracle database development and performance tuning and enjoys sharing his knowledge. As such, he is a sought-after speaker at DOAG conferences in Nuremberg and regional meetings in Berlin. His favorite topic is high-performance PL/SQL development, because in his opinion, there is no better platform for data-intensive business logic than the Oracle database.