John Hyde Murray

Ecofin Water & Power Opportunities Plc was a closed-end investment trust which offered investments to the global utilities sector. The firm invested in the equity and equity-related securities of utility and utility-related companies. The company was founded on January 2, 2001 and was headquartered in Chelmsford, the United Kingdom.

EFMI Global Utilities & Infrastructure Funds Plc provides investment services.

BlackRock Frontiers Investment Trust Plc operates as a closed-end investment fund/investment trust. Its investment objective is to achieve long term capital growth by investing in companies domiciled or listed in, or exercising the predominant part of their economic activity in less developed countries. The company was founded on October 15, 2010 and is headquartered in London, the United Kingdom.

Blackrock New Energy Investment Trust Plc operates as a closed-end investment fund/investment trust. Its investment objective is to generate long-term capital growth by investing globally in companies, which have a focus on alternative emerging or energy technology. Blackrock New Energy Investment Trust was founded on September 12, 2000 and is headquartered in London, the United Kingdom.

Ecofin Advisors Ltd. (Ecofin) is an alternative investment manager and holding firm headquartered in London, UK. The firm was founded by Bernard Lambilliotte and John Murray in 1991 and was acquired in 2018 by the Tortoise group of companies; shortly afterwards it changed its name from Ecofin Ltd. to Tortoise Advisors UK Ltd. - it has now reverted to using the name Ecofin Advisors Ltd. Ecofin provides discretionary investment management services to collective investment vehicles, and to separately managed accounts which it manages on behalf of professional investors.