Starting his career in chemical engineering, Lex spent five years working in petrochemicals manufacturing in very high hazard factories, developing an expertise in total quality management.

He has worked in many areas of the environment and transport industries, the public sector, in consultancies and as a paid adviser to six MPs, including a minister.

Most recently Lex has worked as a safety engineer for mines and factories and running council waste disposal depots.
He was vice president and coach of Penrith Rowing Club (2000-2005), and chairman of two groups to assist farmers in suicide prevention (1991-97).