In the space of eighteen months, the McGovern brothers lost most of the capital they’d spent eight years building up.  Having started the Dublin School of Grinds in their early twenties in 2010 – now the Dublin Academy of Education – and grown it from a single maths grind into one of the largest private schools in the country, the McGovern brothers had experienced success early on. They sold their stake in the company for an undisclosed sum to Chris Lauder, with whom they had founded the school, and went straight from marketing academic excellence to launching a dockless bike…