Citadel Securities is a leading quantitative trading firm and market maker. Our teams develop and deploy best-in-class research and technology, solving problems that others consider impossible. By utilizing advanced analytics, technology and trading expertise, we provide critical liquidity to central banks, financial institutions, government agencies, corporations, insurers and sovereign wealth funds. 

Finance

Citadel Securities

Citadel Securities' headquarters in Miami, FL, United States

Peng Zhao

Lindsey Tsukiyama

Joshua Woods

Josh Woods

David Rusoff

Tony Xiaodong Tang

Christian Dungl

Marc Harold

Matt Culek

Eva H.

Susan Warmerdam

Matt Fenton

Heather Peyton

Jim Esposito

Jane Sytsma

Brad Adamo

David Millar

Alexander Bussandri

Dane Skillrud

Alexander Dileonardo

The Quantitative Research and Data Analysis team at Citadel Securities leverages advanced mathematical models, statistical analysis, and cutting-edge technology to develop innovative trading strategies and optimize market-making operations. This multidisciplinary team collaborates closely to analyze vast amounts of financial data, generate insights, and create algorithms that enhance trading performance and maximize liquidity in the markets. Their work directly influences decision-making, risk management, and overall trading efficiency across diverse asset classes.

Quantitative Research and Data Analysis

The Software Engineering team at Citadel Securities is responsible for designing, developing, and maintaining high-performance trading systems, algorithms, and infrastructure that support the firm's quantitative trading operations. They leverage advanced programming skills and innovative technology to ensure low-latency, reliable, and scalable software solutions, while also focusing on site reliability and automation. The team collaborates closely with traders and quantitative researchers to create tools that enhance trading strategies and optimize market-making processes.

Software Engineering

The Trading Operations team at Citadel Securities is responsible for overseeing and executing trades across various asset classes, including equities, options, and fixed income. This team leverages advanced trading strategies, market analysis, and cutting-edge technology to optimize trading performance and ensure efficient execution. Their objective is to maintain liquidity and manage risk effectively while supporting the firm's mission to deliver superior trading services to clients.

Trading Operations

The Leadership Team at Citadel Securities drives the strategic vision and operational excellence of the firm, overseeing key functions such as trading, technology, compliance, and business development. Comprising top executives with diverse expertise, this team collaborates to implement cutting-edge solutions, enhance market operations, and ensure regulatory adherence, all while fostering a culture of innovation and efficiency across the organization.

Leadership Team

The Recruiting and Talent Acquisition team at Citadel Securities is dedicated to identifying, attracting, and securing top-tier talent across technology and quantitative disciplines. By collaborating closely with hiring managers, the team employs innovative recruitment strategies and advanced analytics to ensure a strong and diverse pipeline of candidates, ultimately supporting the firm's mission to deliver exceptional trading solutions and liquidity to financial markets.

Citadel Securities

Org chart

Teams

Quantitative Research and Data Analysis

Software Engineering

Trading Operations

Leadership Team

Recruiting and Talent Acquisition

Offices

Citadel Securities

Org chart

Teams

Quantitative Research and Data Analysis

Software Engineering

Trading Operations

Leadership Team

Recruiting and Talent Acquisition

Offices

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