Sergey Ambartsumov

AllianceBernstein Ltd. (ABL) is the Great Britain-based, global investment management subsidiary of AllianceBernstein Preferred Ltd., ultimately held by Equitable Holdings, Inc. (NYSE: EQH) in the US. Headquartered in London, the firm was founded in 1990 by David Andrew Steyn. ABL provides investment management and research services to public and private sector institutional clients, retirement and pension funds, banks, insurance companies and high-net worth individuals. They offer a family of globally distributed mutual fund portfolios across all major investment disciplines. The firm is a signatory to the UN Principles of Responsible Investment (UNPRI) and integrates ESG issues into their investment processes.

Hermitage Capital LLP is an independent investment management firm headquartered in London, UK. The firm was founded by William Browder and Beny Steinmetz in 2006. HCL provides investment advice to individual and institutional investors.

Visium Asset UK LLP is a company that provides investment advice. Visium Asset UK LLP is based in London, UK and was founded in 2012.