Dierk Kowalke works as a freelance photographer, business advisor and lecturer in Leverkusen and Cologne. His areas of expertise include, among others, economic reports and portraits of business leaders. After his course of studies, he completed a traineeship as a text editor at the Rheinische Post in Düsseldorf. Later, he joined the Handelsblatt and the Prisma publisher, before he took over the post of press officer and head of internal communications at the Metro group. In 2001 he started his own business with a communications agency with a focus on photography. Since 2012, he is a lecturer of photography at the Faculty of Human Sciences, University of Cologne.