Jack Stirzaker

Mr. Stirzaker is an economics expert who focuses on corporate finance and valuation in international investor-state and commercial arbitrations. He has advised clients on cases and testified on damages before key arbitration venues around the world.

On behalf of both claimants and respondents, Mr. Stirzaker conducts damages assessments in arbitration and litigation matters. He regularly develops sophisticated valuation models for projects across a number of different industries, including energy, regulation, telecommunications, real estate, and financial services.

Mr. Stirzaker has appeared as an expert witness at oral hearings and supported other expert witnesses in over 30 arbitration cases. He is experienced advising on matters and testifying before the International Centre for the Settlement of Investment Disputes (ICSID), United Nations Commission on International Trade Law (UNCITRAL), International Chamber of Commerce (ICC), London Court of International Arbitration (LCIA), and Stockholm Chamber of Commerce (SCC).

Outside of Brattle, Mr. Stirzaker presents to law firms and at conferences on the principles for estimating damages, regulatory independence, and investor protection. He regularly teaches a core corporate finance and valuation course in the Master in Finance program at London Business School.