Andy was a naval officer for over 24 years. The majority of his career as a Hydrographic, Meteorology & Oceanographic (HM) specialist. His last HM job being Commanding Officer of the Fleet HM Unit, leading a team of specialists that provided Tactical Exploitation of the Environment to the Armed Forces.
Having studied Environmental Impact Assessments for his degree dissertation, it followed that he would end up working in an arena that acknowledged the importance of earth sciences to all human activity. He continues to contribute to this field through his work with NLA International.