The TOPOSYM is a conference series held in Prague, running in a five-year cycle since 1961, serving as a traditional meeting point for general topological audience. TOPOSYM 2016 will be organized by the Institute of Mathematics of the Czech Academy of Sciences and the Faculty of Mathematics and Physics of the Charles University in Prague. The following mathematicians have agreed to present an invited talk: Alexander Arhangel'skii, Leandro Aurichi, Dikran Dikranjan, Alan Dow, Michael Hrus�k, Ondrej Kalenda, Alexander Kechris*, Piotr Koszmider, Mikolaj Krupski, Wieslaw Kubis, Aleksandra Kwiatkowska, Jordi Lopez-Abad, Veronica Martinez de la Vega, Julien Melleray, Jan van Mill, Arnold Miller, Justin Moore, Chris Mouron, Lionel Nguyen Van Th�, Lex Oversteegen, Christian Rosendal, Marcin Sabok, Slawomir Solecki, Lajos Soukup, Mikhail Tkachenko, Stevo Todorcevic**, Toshimichi Usuba, Benjamin Weiss*. *provisionally confirmed. **to be confirmed.