Dr Steve Mohr is a Senior Research Consultant, specialising in data analysis, forecasting resource depletion, analytical and numerical modeling, and the evaluation of energy and water savings pilot programs. Steve has a PhD in fossil fuel supply, and has used his Mathematic and Engineering skills to developed Geologic Resource Supply-Demand Model (GeRS-DeMo) which is capable of replicating supply and demand of resources extracted from mining methods and oil and gas from fields. Since working at ISF Steve made publicly available a version of the model: GeRS-DeMo - or Geologic Resource Supply-Demand Model