William Francis Callanan

Syzygy Investment Advisory Ltd. (SIA) is an independent hedge fund manager headquartered in London, UK. The firm was founded in 2019 by William Callanan. SIA provides investment advisory and management services to their clients.

Key Square Capital Management LLC (Key Square) is a hedge fund management firm headquartered in Greenwich, Connecticut. The firm is a subsidiary of Key Square Group LP. Key Square provides investment advice to private investment funds and managed accounts.

SFM UK Management LLP (SFM UK) is the Great Britain-based alternative investment subsidiary of Soros Fund Management LLC in the US. Headquartered in London, SFM UK was founded in 2008 and manages assets of high net worth clients.

Drawbridge (UK) LLP provides investment advice. The company is based in London, UK.

Rubicon Fund Management LLP is an independent, Great Britain-based alternative investment management firm which was founded by Paul Brewer and Joe Leith in 1999. Headquartered in London, the firm manages asset for individual and institutional clients.