Catherine Millar

Catherine Millar is an accomplished Environmental Systems & Performance Manager at SSEN Transmission since February 2025, with a robust background in health, safety, and environmental management across various sectors. Prior to this role, Catherine served as the Head of Health, Safety & Environment for Argenta, overseeing UK and EU operations, and also held the position of Environmental Health Safety Specialist. Catherine's experience includes an EHS Advisor role at GSK and a Senior Environmental Consultant position at ERM, where substantial expertise was developed in technical reporting and environmental assessments. Catherine's early career included roles focused on oil spill management and environmental consultancy, complemented by a strong academic foundation in environmental science and engineering from the University of Dundee and multiple NEBOSH qualifications.