The University of Edinburgh will host the 2013 Young Researchers in Mathematics Monday 17 June - Thursday 20 June, with a packed schedule. This is the 5th annual conference for UK-based graduate students and postdocs, with some 200 participants. There will be talks by established mathematicians as well as graduate students and postdocs, and other activities. The conference is organized by 3 graduate students Ana Rovi (Glasgow), Carmen Rovi (Edinburgh), Efthalia Tzitzili (Heriot Watt), and administered by Helene Frossling (ICMS). The conference will take place at the King's Buildings campus of the University of Edinburgh.