Glen is a qualified Coal Mine Manager and has worked in the Coal Industry since 1980. Throughout his career he worked at all levels of Management inclusive of 10 years as an Undermanager at various operations including United Colliery and Dartbrook Coal where he was part of the Management Team for the construction of both projects. In 1997 he commenced as Mine Manager at Cumnock Coal and in 1999 was promoted to Operations Manager at Oceanic Coal (consisting of West Wallsend and Teralba underground mines and Westside opencut operation) following its acquisition by Xstrata Coal. Glen was promoted to the role of General Manager Eastern Underground Operations for Xstrata Coal NSW in 2003 and was then responsible for United Collieries, Cumnock Coal and Oceanic Coal. Continuing with Xstrata Coal NSW, he was promoted to General Manager Operations with overall responsibility for 6 operating mines and several projects under construction. Glen commenced with NuCoal Resources in 2010 as Managing Director overseeing the listing, capital raising, exploration and feasibility studies for a number of mining projects in the Hunter Valley. In March 2017, Glen stepped down from the position of Managing Director and became a Non Executive Director of NuCoal.
Glen is also a Non-Executive Director of TerraCom Ltd (appointed December 2019).