Derry Newman, CEO of Solarcentury, has announced his plans to retire from April this year. Newman joined Solarcentury in December 2006 and oversaw an unprecedented level of success at the company. Under Newman’s stewardship, Solarcentury appeared in the annual Sunday Times Tech Track 100 league tale of the fastest growing UK tech companies in 2006, 2008, 2010 and 2011.