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Tourmaline Partners Adds Two, Opens Dallas Office

Outsourced trading provider Tourmaline Partners has added two senior hires, Keir Collins, based in Dallas, and Yuki Shimada, based in Sydney. Tourmaline has also announced the opening of a new office in Dallas which will be led by Collins.

Collins joins Tourmaline after spending the last 14 years at HBK, a global multi-strategy alternative investment management firm based in Dallas, where he began as an options trader and rose to the position of Global Head of Equity Trading. In that role, he built the firm’s execution team across all equity products worldwide. Focusing on strategic counterparty development and trade structuring, his team was responsible for implementing trades produced by the diverse business units of the multi-strategy fund, including risk arbitrage, syndicate, relative value, special situations, credit and proprietary volatility books. Prior to HBK, Collins traded options for Goldman Sachs’s Speer Hull Derivatives business in Chicago.

Shimada brings more than 20 years of global equities trading experience in senior roles on both the buy and sell sides. He most recently served as a senior equities trader at CBRE Clarion Securities, a global investment manager specializing in listed real assets, where he spent the past decade overseeing all Asian trading. Before that, he worked for Citi, managing Australia REIT execution and risk for six years. Shimada’s first job in Sydney was at Morgan Stanley as a portfolio trader and general equities market maker. He began his career at Rosehill Capital Management in the U.S., where he was a Japanese equities hedge fund trader.

“I am excited to join Tourmaline and help expand the firm’s reach with the opening of our new Dallas office,” said Collins. “Tourmaline’s commitment to offering a true buy-side trading solution is what sets us apart in a growing field, and I look forward to helping our clients in the southern U.S. and around the world.”

“The buy side in the Asia-Pacific region has evolved in the way it understands and values the benefits outsourced trading provides to in-house trading teams,” said Shimada. “I’m excited to join Tourmaline’s roster of veteran traders and to work with a diverse and growing client list. Tourmaline operates alongside fund managers to greatly enhance their access to liquidity, achieve far better coverage in offshore markets and address bandwidth issues, and it’s great to be working with the Sydney team to deliver clients these benefits in Asia-Pac.”


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