Andrew Turnbull

Arup Group Ltd. provides engineering, design, planning and project management consulting services. The company has offices across Europe, North America, Africa, Australasia and South East Asia. It offers building design, economics and planning, infrastructure design, management consulting and specialist technical services. The firm was founded by Ove Arup in 1946 and is headquartered in London, the United Kingdom.

Booz Allen Hamilton, Inc. engages in the provision of management and technology consulting services. Its services include consulting, analytics, digital solutions, engineering, cyber security, and product. The company was founded by Edwin G. Booz in 1914 and is headquartered in McLean, VA.

Frontier Economics Ltd. provides economic consulting services. Its expertise includes behavioral economics, competition, contract design, dispute support, market design and auctions and regulation. The company was founded by Zoltan Biro and Daniel Mark Elliott in 1999 and is headquartered in London, the United Kingdom.

BH Global Ltd. is a closed-end investment company, which invests all of its assets in the ordinary shares of Brevan Howard Global Opportunities Master Fund Ltd. The firm seeks to generate long-term capital through an investment policy of investing all of its assets in Brevan Howard Global Opportunities Master Fund. The company was founded on February 25, 2008 and is headquartered in St. Peter Port, the United Kingdom.

HM Treasury is a British government economic and finance ministry. The company is headquartered in London, the United Kingdom.