Citadel is a leading investor in the world's financial markets. Our global team works to help our clients' capital fulfill its greatest potential across a diverse range of markets and investment strategies, including fixed income & macro, equities, quantitative, commodities and credit. Citadel Securities is an award-winning global market maker that helps meet the liquidity needs of asset managers, banks, broker-dealers, hedge funds, government agencies, and public pension programs. We strive to provide the most efficient execution and highest caliber of client services, making markets more fair and accessible for all.

Jane Street is a quantitative trading firm that uses innovative technology, a scientific approach, and a deep understanding of markets to guide our business. We are a global liquidity provider and market maker, operating around the clock and around the globe, out of offices in New York, London, Hong Kong and Amsterdam. The markets change rapidly, and we need to change faster still. Every day, we come to work with new problems to solve, new systems to build and new theories to test.

SIG is a global quantitative trading firm founded with a growth mindset and an analytical approach to decision making. As one of the largest proprietary trading firms in the world, we benefit the financial markets by providing liquidity and ensuring competitive prices for buyers and sellers. We bring together the brightest minds, the best technology, and the most expansive library of data in the industry to design and implement quantitative trading strategies that make us leaders in the financial markets. Beyond trading, SIG is active in global private equity, structured capital, and institutional brokerage. For more information, visit www.sig.com.

IMC is a leading global market maker, using algorithmic trading and advanced technology to buy and sell securities on multiple trading venues worldwide. We provide liquidity to the financial markets, driving efficiencies for buyers and sellers. Founded in 1989, we are an ambitious, innovative company and identified early on the importance technology would play in the fast-paced evolution of trading. This entrepreneurial spirit still drives us today and can be found in all of our offices around the world.