Perseus Mining is very much a team effort: an overnight success that was 25 years in the making, as one of its founders Mark Calderwood has described it. Calderwood, the current chairman Reg Gillard and exec director Colin Carson have been taking an active interest in the under-explored mineral deposits of West Africa for that long, but it was not until 2004 that, having secured a couple of gold bearing deposits in Ghana, Côte d'Ivoire and the Kyrgyz Republic that they formed a company and floated it on the ASX.