Mr. Hankinson worked as part of a team calculating the revenue requirement for Brazil’s largest distribution company, in anticipation of the company’s first tariff filing with national regulator. Responsibilities included collection and assessment of data; development of a model to calculate approximate revenue requirement for various test years; development of revenue requirement for notional revision period; sensitivity analysis using various parameters (test year, O&M cost methodology, cost of capital methodology, capital structure, rate base valuation method, treatment of non–concession activities); and assessment of results from a regulator’s perspective