Derek Sobel

Chief Financial Officer of Southstone Minerals Limited, effective 25 May 2026. Vice President at Catapult Consulting Corporation (since 2019) and Group Financial Controller for Rock Tech Lithium, providing CFO services to public and private companies across mining, technology, construction and other sectors -- building financial reporting processes, internal controls and budgeting/forecasting models. Chartered Professional Accountant (CPA, CA) with a Bachelor of Commerce from the University of Alberta.