Jack O'Brien

Goldman Sachs International (GSI) is the Great Britain-based, wholly-owned brokerage subsidiary of Goldman Sachs Group UK Ltd., ultimately held by The Goldman Sachs Group, Inc. (NYSE: GS) in the US. The firm was founded in 1988 and formerly known as Trushelfco Ltd. Headquartered in London, GSI provides prime brokerage, securities lending, futures services and financing services for a range of clients such as corporations, financial institutions, governments and high-net worth individuals.

Panmure Liberum Capital Ltd. (Panmure Liberum) is a brokerage firm headquartered in London, UK. The firm was founded by Shane Le Prevost in 2007 as Liberum Capital Ltd. In 2024, Panmure Liberum Ltd. (now known as LIB 123 Ltd.) acquired the firm from TN Holdings (BVI) Ltd. Headquartered in London, Liberum provides trading and execution services for institutional clients. They bring liquidity into the niches that matter and are market-makers in various large, mid and small-cap stocks.