Johannes Tovatt studied at the School of Architecture at KTH Royal Institute of Technology in Stockholm in 1986–1991.  He joined Ralph Erskine Architect and Planner before his studies and became a partner with Ralph Erskine 2000, forming Erskine Tovatt Architects and Planners and later on co-founding Tovatt Architects & Planners. He has worked in a wide range of projects throughout Europe and has led a number of price wining and well published masterplan and building projects.

Johannes Tovatt has been a jury member in a number of masterplan competitions and he is a member of the board in the Ralph & Ruth Erskine Foundation. Johannes has given lectures at, among others, ETH in Zürich, London School of Economics, Harvard University, Politecnico di Milano and the Royal Institute of Technology in Stockholm.